PNG  IHDR V%4sBIT|d pHYsaa?i9tEXtSoftwarematplotlib version 3.0.3, http://matplotlib.org/ IDATxwXSw)DDREV8UԺQ[Tv:jkskk:QjժU(\'Q%@!y(߳>'9%B "Ì3666ؿeBTkմaZZ / ;;!Z Q5|rZ ?vZTKD"{*;2Y`$ 6lP١hyPaT8sW^ T 2ؾ}*_sT;͚5CAAAeBDbԫKHHĉb~lH$ӧEW[S30''} ֭[O>gootgƵk :3g`Ν3)s>CNL???3/_Z_Y%K!H\*4,\ 4hkkko߾8p 65|}} u|h׮\]]ammF!&&w5(%K;wj-9s&Ν;e˖~T%YVvDƚ1cVw}L˪$,\cƌP1aaaPj%s-[7o}hڴ:EZZ;3f`Μ9O'VVsN4jԨBΡ2{ؾ};ڴi'Oʕ+aݻڵSƑ#G{n8pqH$?8s 7o^*+WbڴiChh(<==qUoضm/^kl=zҥ gbطo9GGG#Gą #FX9r~~~zcz*N {{{<~X:/uٳgcܸqml%j???4=z$޽{Wv(&)wVv(*((HW}vM6M4*OJJDdd#|||_+~AOIL},]T$%%i?D W׮]k.4i N*ɓ'Sھ}?EaaFɓ'>X 7(;w }ڵkZ1l0.]͛ &bǎ:]b 6lP9S;6 M@v-Ådqb֬Y"77Wc[ oԩ"&&F( !7n/^^^b颠@c_E_^WTTAg/ [[[*.ܹ&2??_㏢}Aىۋ_~Š Y AcXѱcG lmmE۶m?yB;v0!d2/AKS\Gӵ!DBBvvv"==]kE.]Z/wWzqlz4 }pvTUjߘ:u*WWWaƌ8x v mߏӧO>x7{n|wApp0&NW_}:u9s SL:O?]vaѣ:KÈh} }EÆ qeX;vcǴ⤦Cc>3ܻw:t7222}vr f͚hܸ1MsQF6lz͚5+itڵØ1c>/r t  B pfif.\̙3 :?سgM=z୷;wfϞ3f #G ~7DGG#..WV믿^+ ɓXnF^T޽{:t0)u۷yѣˢ`appp};福*gw 7"6648EYYYA*^[|9=z4Rn޼+++ >| ~wspqq+-[ܹshڴ~<ׯ7߄ƲӧСCӧQNb, 43ܹsX~=Ξ=-[KKKH$ͥGwEf͚͛(((0IUPeg@DPZ ȉ'T*:t>c@,^X]z*H4 F KKK&߿/rؿ)D"X6qD@|Ǐ OOO$Ξ=]D"C Q}U.W\*:u2L)iiMZ@|WZ{% ͛5ʣ1Td ѫW/Su˗xb{ b9r䈰"''x{=|wxw5EP///aii)N8./((j4''GB*ju)Z+~zIIIB*zTuǏC=zŋZ*14u.;w<_R" &L.۴i ^}Uk+??_9R;wTeL Jiף沼+RB*7n},5j n(nÆ 6mֲc СC2U퀋pѱ.\.?V:tH#FйqRd@ZEpp T_Հ!ѣ5AT=1d̘1z򄽽ҥLu/he7?⯾vvvS]O? oy.=z*yv=V[ڊJ@uV{9sF!!!ZT9e|V.lmmuI:t֍sI ZK/i%پ} ٳ:  ͑#G1cƌR,vYrq…Zv%}z!Ryf54u,-[DgCX@ 4H]֭[7!Ju^s)))5jﮊH@n߾-Ν;'J<ߒܽ{W KKKqرRW]s\~]HRfUmڴљ抺u ???G999B. U7f2: D޽1|eϼp_ VXQ1Eݺu\.י}B*#G I@TJ~OU`Q l޼[lZnkkkiF˫e)))pssXֹsgѬY38qD\\(*ފ+PXX#Gj9SLU4F'tR+111 1jߪku׉8 /<@AAfϞw]uЫڱӧZ􍳯*̄'VZӧkQ K.ի ? @9.>{w?o߾Xz֜YOTT)}sܹs~:~gWk#G~3gx-U jGGGXZZ"//BPѣ !--rfr߾}zcB ((Hc?&]\nΞ=I&… ga̙֭z*L+zu.\)T**.];ݺu1vz/򐑑>k8|0<<<4&3D~~>\}ilױcGcÆ P(wv܉`4nX3ntt4~:S5hŋuCUkpt.]ªU0tPHHHK`gg^}pH$ZJk[U_UL@VF~~~7)U={'Ys=jf4OWLfR;99n߾L:_UӧL}.YYYJEbj۶-ewww>}Znͣf~eaaatHI絚Axyy庉6=UgEOeKS49sf2b q>VDDƎR}SH$1b>|m۶axڏP+`ƍd:swwG`` N<~)WWWSRRK.aʕ%hر {쉱cLTF*J̯NǎDnZh-wFsWRd]I&;;[xxxu\;4tR@̞=[|ǎB*ĠmTo@Fm'oL&Ә8 666Zrr 'uο!ijڧN2:F`xxA!;aJJhܸJbʕFǧbH'tgggѴi2*Pо}{̛7'OFF+>ĕ+WpADGG@l*}AXXzСC8t5k?X=bcct͚5Caa!_aÆ 83f3ƍܹs?пlܸQkP4hZh 8 E۶muVt!!!|2oߎKb]x1vH 48|0Μ9:; =OSKÆ qMi{V˗E~]vDBBt颞D*bŊ1֭v܉ڵCϞ=n#ɰd;w֘ѣGhҤ nݺ͔)Sp1O믿Э[7xyy!55gΜ'uVjѢnٲ% L͛7ʕ+6lFGcxѠA!~:u x]: vލ &\ٳ iiiùs`ee?SNf/(ƍ#88۷oG~~z*S?[ܹsի3QQQذa,Y#$$gΜ֭[uqi׮]^ǃok?T*;"2CgB?|8pVVV]kNL>]c^֭m۶666MzgBv횈ZrѬY3[oi<,)ʧk}^͛7=7n !HΝ;bСnݺVtI߿ԙKb&>>^t] \^LƞKIT _nnnZ8| pvv: 5U HnnnTv-BBBpqqÇ)))zR-,,? u2LԫWOtM|:WZ Eǎmڴ9_)prr?ouΐmui_zΫz ooo/Yfk׮m۶W^yE +++%:v(ΝQC\ߢaÆJ?\<|PZh< _Jzv;++Kۋ:ulUT˖-SN :g?_`:F]sQv%͛]vvdGL8QDDDDDՙ=7RݍmUVI&sf͚Ν;HMML&Cݺu5@jj}Ν;fͪЉj7o^z:U$<<\VZ!88~~~_akk[}N6 SLQիptt,wDDDDD5YVVQNTuqƸtw<<|P$--MgkkkX[[k;;;31Ѣ IDAT!""""*2(Bl\|^^^ ݫ^7n $$$""""ݪm ԩS???`ƌСC!1vXL2E]{EDDDDTmr- :߇:uꄸ8͛TH( -䨉j7BTvUUVVr9233?ט> DDDDDT1!"""""aBDDDDDf̆  """""2& DDDDDd6L@l0!"""""aBDDDDDf̆  """""2& DDDDDd6L@l0!"""""aBDDDDDf̆  """""2& DDDDDd6L@l0!"""""aBDDDDDf̆  """""2& DDDDDd6L@lԈ/D"ALL,77QQQpqq"##VQQO@?%KUV'O֭[ %% ( Hvv6e˖I]˗oEn+Wȑ#ĈjjDEEw (ӧO5Q~}=zajݺu8y$?,552 u(@jj}* ( YYY|(r""""ɐ{jܼy&MݻacccΝ;f*W%"DDDDD!!0C,&yf겂H$HRڵ aaaШCLL &Osj@|}}q}8::V YYYpqqAffjY/#))Il |___XYYa޽$''ƍ ѻ_kkkX[[k[ZZҲZUDDDDDfc=sSZhQfoouرc1e8;; A*#d"""""B5M@ 1o 撕\^b6"""""R2ZBDDDDD """""2& DDDDDd6L@l0!"""""aBDDDDDf̆  """""2& DDDDDd6L@l0!"""""aBDDDDDf̆  """""2& DDDDDd6L@l0!"""""aBDDDDDf̆  """""2& DDDDDd6L@l0!"""""aBDDDDDf̆ Ml\v ׯ_ǏMA~Gj pttDHHvء^(HKK3{DDDDD Bu0tPԯ_rhذ!Q~} 2֭BȘ×_~x8qݺuC~pɓuVHII*<."""""O"%o-Bff&  Bdddի舨({:8;;o5k`ϣiӦ8z(:t` ˑ GGNJ 3ٲ4h^^^O1h ۷e˖aѢExA٢7BAAbccc >>O>EXXz@ԯ_ߨLdժUׯ;ALL bbbe˖rW$ 77ЬY3$$$@&nݺ{xx 55U F󱬬,@~~>+$jCKM@I>L!4idffbÆ 5j8P͝;f*W%"DDDDD!ͥQIHHT*EV!Znmx&kx嗑Q 燘L>[l7PtCKKK 8۶m3iDDDDDT3lܸш&Mڵkj ]^PPrEDDDDD5 HÆ O{iӦ j&1c`زeL" ??}mۆ7xäAQ`t2e 8G:r9f̘#G74y͝;ڵC:uW_}"** ...ppp@ddz."""""2?(:ك 6ŋ(,,D@@=z:Fz!C]vG}ӧOٳL0۷oǪU 1qDHR>|ؠcdeeA.#33y:DDDDD՞!F% @zЬY3j wޅ;8^z pssÚ5k0p@ѴiS=z:t(uL@ g1;dw}WL3 >>O>EXXz@ԯ__oP(P(?gee󑟟_U{3H$ ##AUBĠcǎhѢ 552 uX:3w\̚5K\~7ᅬ?C3(>}*~M)Sʂ/N@Ξ= '''GhРlmm5֑H$ꫯLdI&Nm۶WyyyxF-HZZ<==uZ喖4"""""U g6z,{% ٭фoQFU׮]H@rr2 :;0Sš5keԩSGݯC.rcǎŔ)S GGGDGG#$$Ġ䃈LT6D|ʕx('"|wvZ( -8ր6L@ W!Mlmm>cwMDDDDD5 ȤI\v ۷oGӦMѽ{wHDDDDD5 ȗ_~wٍ7/"((\AQTF_>&L3grDDDDDTC4GGG\|Ի%"""" ŋ`rDDDDDTCiӦ:Gz!!ɰi&GDDDDD5 H֭D'''`Ĉpww7YDDDDDTs[" """"Z> o6N8wy||<~rEDDDDD5 ŋq/]%K+("""""L> oZZlllL[""""" }vl߾]ʕ+q!>|;vp&t"""""ɠɓXlW5֑H$GPPϟo@!1HR^Æ ,rdffѱ!"""" 6zޜdrGDDDDD uEADDDDD@F믿888NEDDDDDT =zŋի} <<B4i&MX3:Ѷm[$%%᫯[ظq#qmjQgt#F .$F_|a(F0:UwD[.^˗/.B"""""1N@4isΩnٲ%~ӧX~=իg f0:P(ӦMݻOOO۷%""""uٽ{76m z2El3ΐgB^zh֬ΐg`d2DDD& jDdddTTDNh"4ncdeeA.#33MH .5@+SGY+ZoKDDU!J@q5@ вeKu Qٝ= f *JecWߜNN@VdNg ꕓcqlm OA;qqQE r""*!ej+n:|uz"BD|6lX٣&"j8qسذHHo5k:Ҕ@ p^aKJR>}Dy٥ ڍ-\,,FHBj׾Zbo]oBU &״!T'ϚϮDAয়^S%*ʕ%y1ɩ^@Retcǎo߾={6F L@j9s&n݊WH&XDT$'k6JLT&ư5{];CSp%\P(k2S^X>^Vn *y)K"M}f> ۷GZZnݺ[[[n޼]  ;VӨi7աѣѱvE@ԑ ݪ=Wb|& R*ZUsDuT599PM)o(ʪ驎\W"##v+;G|7NN[o:)/nϨm<=)^zP>mSB︮Q?;R_W*vBߣ59 <T*lcΝCD"g.hJ/@`"_R~V@FNNB'"eik˫uU:)3W nE6j3g2NKW4hJ95 ĤI \n.Q(Zo-^ ]teLDEըQ7Ff@U_*U>I""M}TS.k.jTu몒F>zWs@^ftr!{3gP>5M =Ν;ʎzd??CGFUَKDDT[TV}ǭSGz]e2Rۍ[k"*7uۻY]4J3 vFĉ!RJtVmN@bbbb 曈+ IDAT.Qj B*S> F?2HDDDTDGGM4kzBk~$U%E@T?,(ggN^͛+ T>Ipv6y?}ťKﴆaxkle#;J*(o]c);oD2 oT|OJ#;%%/?[[8huZWa񳉈j2x|駈x?K;{RuRMׯv˖Q!8)Q0:eY"*gڕ4DzhPY nr""""z$>SL>#FgED5Ha!p T^\&睘0YD@5DDDDT5:u hԨ5 D"W_}e tuv c <~EHl2{UF%5mMK&˄DHGk0d=Cg͙ΝSM(g4${{aeѲ%~DDDD5Ycȣ5O=/*;[9\acJM M\]^PNpjjJbtRg??^9*RY(:ScO """Y%$$`߾}HOOǸq\z 4)㬶,,ԲeeGCDDDDT>ӧ6l믿Bt 7yDDDDDT̚5 7oQ ͛74H"""""N@V^wށf͚& jTmVr+++dgg+("""""N@|||pEˏ=rEDDDDD5 Ȑ!Cxbǫ$??kbĈj O>?Rʂ\.Gff&::Q-aA5 ؽ{IhyyyGXXL*",, GȈj/JPIRܻw(unP(P(?gee{TT?p A!#&ĥ/'_Iͻb)Mt:bu*]T4/(8\Dak-b?{33V%""""2 3755k ::F{e!BDDDDDukȼHv[ #77Z{nn.je˖aѢE咒֖׀5 &Mj{h4dee =zƍp"Gb޼y5k[XX4;{5W 37xV=l06jԶh"L<{Fpp06n܈RL:лFDDDDd\L<'NTr_?|DEE!''8tP ӉHF^Ѽy<劈ПNDDDDDXjt NSz?"""""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""R """""RM,@VZuh۶mdffbԨQhݺ5:t_ZV=%"""", =O? 5 NNN駟_|Xz@#"bxT[nł PTTT=66GƵkбcG@LL .]|XYY5KJJ`ggb6̟[; rI Ü9sp9ٳ֟+++CYY~jy4dlHNNN~9''Ο[f kW"DDDDDT̛Mw}mΟ????aٲeXh~)XDDDDDM LR6^^^ z,'''rssbmm kkh6]EDDDD,5dlfՎpttlׯVZ ,, /^č7 DDDDD&EuT|ӯ ''նر~]vj_~x7q]XZZХKZuv;;;\nkk\2e.s\涸֩M&++ pssúu됟跙8q"0m4;wv|EpωL[z␚TT[WyF9_~AAAppp@TT?ȀWX;bŊZر#^z%,_-€:PVc.s\2e.s1Y]NDDDDDƭE^BDDDDD- """""R """""R """""RM t:?DPljDD-)v'jSiFݺu K,SܰdܼyS܊ lڴ !!!BBB Fk~6\S)05C)pᩧB߾}aggpdee)yqsZbʔ)}69СC}6&OXܹsq!,[ Ųepa̙3r Ϧ2rMm|@߾}"??P,紤TѥK\xut">>>HII."u]K5T?ZYٳgtQN0Θ;w>ʕ+شi_*󊹍gj㳟.\urMxҥK5/^(~~~H^^^\6\CvܹvNW纖[:ryy09 @?^رcңGr9Q'QWvZ 8z;{%$$O>Q,wҥ رc8p.Pljptt֞QOC嚙!%%>>>/]sssryy0y͘4i,--jZرC\s{Ӓ`ݧaĈhӦW\_|Q-gQM)O?ETTTѴiӌ*>}zѣyܦaJ3pﴘӧOW FQ4純eBd8sWW=16T.ekdpB))){Oz!&MBreƍݻwe׮]2fY|]rZ S322dر2~xv̝;Wq0`+yqsZ6U̜9"7ob̘1|2>ct .T,w8~8bcc;wbĉHII%K.Pljw|jؽ{7Ǝz F[\\ bѢEy&֮]DDDƍxbn<{l"00aaax' &rc(SGrr2***СC"$%%){t999hݺ5d5T?J9s۷om۶(++?} 7n4(--Ejj*0eٳׯ_֭[y3900;Dѯ @bb"gsxy*,--pssŽh4HȵZn 1M%~u ?~<.?]`\\,,,ry|^1Lm|\߿uJ0t?sc0S033CYY_շ߾}[<|+}VV5\Cz j `Sxb38}{QQQ39k??b޽?AwUV)i&ܽ{=brFk~6\poZ|^ccCwʰyfr9Q'Q׀֞3f0ttԩHJJR xy\"k쭷͛]V_]ﲱM-0߮wY)</OCVVVJzjAmƖk~6܃ֻllqJy3ٹepcfjTCDdXӧOwr]V +=y͛7c֬Y U#99]vU"mVǯOii)aaaB$$$K.pqqQ<Gzz:,,,Э[7xyy)IDRTTTaРA0777}ftwqڵkhn%VdxyyN˗/W|>U+䫯ձcGJٽ{|9rʠA$##C܈GGe߾}ZZZʘ1cRQQX>s9z8;;K>}}sNr{bkk+fffҽ{wi׮L0A˭&/iiiHaaArcbb kyyyrQv횢97nPs-{ȷ~+* o>U7{qqq}JxxKppϯboXYYɸq$//OgϞ=zT}r1ӧ闕H>}I%88XO>rYrcJhhxzz… uO=b  ={gȑ#UV*>HF// +[u>},]Tߗq)ۣG!!! ""/_@r}}}eݺuҵkWqvvKŋ˫/钘(vvvoHJJJhj'NȽ?W^yE7ߔ_|Q\Laj/~W޽bU~9::*;`9x\~]/_.~~~rUEKBBKѣ""/Ȁݻwo={H>}MLLIÇ?O9uDDDHDDȾ}d˖-&۶m}3{!ZڲRN{]mbU QM&? 8P>sr{Z@@@}䄜>|%`B%I3335%__GZXF<==ãƗbUO>RTTw4G?Ozz 6LEՊ~~~$5 J>a͛'ϗ7oJddرCt:|7M`*ݺuK>yի={VN8!?-z-ϟ'OʠA_ |/(aĈKD$77WVX!ÇW,K.rʕZ׹([;w)[o422:%/۶mvuVׯbU:%]tѶvZ Ν;+[ E~:N֭[''xB|%`<:uiFlllFڴi#SNV4իWzꗈʕ+˝:uj˰k.E_:ujҥ*|NII!C}Gqw7k,rǍ'5}h4>k$88XJ3]jQyd_V%7-- h4pss3rrrhnRR? W^`wHMMիWjaootA̢"!++ ojj*f͚ӧOj^z!&&x0`fϞErǏYfaĈׯ_ŋC)={ֶZ{vv6ƍ_~EJ"/@FF*u8q...(..qEr˱tR|gGFF1tPlڴIqgϞHHHP7 ""fffعs'V\ldggcx=t&M`޽4hrrrgϢ{Z-Z-lllp h4 8{V4󍲲2h4\zFnVV:uh"۠P Rݾ}vneΝy.;wNJV˓ӧOӧiܹsGܹSʋ;TTT$={V6mڤZJKK檓kjuI ۷L}vE? UB`` <<8׀j DDDDDd:XjXjXjXQ)Sz7H,@[BԩS EU+""GTڝ;w &GբлAD(,@Ў;VZ/juEhh(BCCǎFΝ;|rt [FII  ,+ѹsg *PD+W Znܹsnۘ=ǎC޽ѪU+رc/APPj<ƅ 0a{Ɓms]DGG666h߾= 86o)SCFuaƍ5@YY~mtpuuŒ%KPVV "2$ C=Xqq1_^ݻ5VZz >}:"$$ h۶#;+++,^eee? 4YYY5kO?aٲeƍ}̨(\#Gȑ#q >ƫTL8f¤In:/ALL x ̝;fŋ03:ݹsOSNc=ݻwcܸq/0~x+fL>())Sp<3زe ܹ3gt3f ~̜9]vErr26l؀K.aED !"fk˖-ޯ'|R}zz˪U=NrrXXXTkwwwɓ'4h 4H/KUwޑ{L.]T=22R%33c+++5jt:}o![cr*OÇ iժddd7o,$>>^6tP;wt:_|||m2jԨz4ydqww/_rEUvbff&'N#w `}j|ѣv_~%t:qu|||0ydjժZ۞={0p@k׮ZްaPQQoQ^^W^yF߾`6&RnЯ_?r߾}C [˗/ w!<<7og ,, )))mΝCJJ}Y8::Vk۳gv ??j1dhHi<F޽kWN+@DSXZZ>>xzzhKIIARRR r:/##j쫣#ڵkd9`ggpuuƍ%"x뭷[oՙߩS'oرcݻcĈQ(>""CaBDdDt:4 bccann^c}6mW}סZw?*y,Ym׫)rj;ED /FXXXv4|W8r>lذ111>}:{^UUTTu?֯___T5',@7DkEEE5322[naذa_5/??_CS4VYZZ6(SNԩSq-`Ŋ]vӻ|G!CYH5WȈ9k."(((/{{{vǩָ]o}qI>|ƺ"h:vذać~Xm_kUcrC ͛]c}~~ {ǩsn .TD ާpdeewuoFiiiHm|Ȉx{{cʕXl1n8n^^^xW""%h+ለk@H5,@H5#%U"IENDB`