PNG  IHDR V%4sBIT|d pHYsaa?i9tEXtSoftwarematplotlib version 3.0.3, http://matplotlib.org/ IDATxwXW{.MT+v[A%%E[4!jDgK$jbIԘ$Fa]Q1v1vlDłYʞ.\v(Rffg]y<BJ@D 48xҡ L@l2X;Zht8T@-X* ׯYr%j5Ο?o}_x* ÇO* O<1kW̓9nܸt(D"ҋJѣ;w9sgϞyzqqqPTܹsVV ?ݻwGS>W5R,6XXV,--֭[cƍY>/%%}`ii '''|ϰ˗1}t4meʔ9\\\0h e]&1J*cdqJ@Dɓ3,7obbb2]WЅb…4hҡPׯ_?iʕ˳Xd 󬕥F|2rDҥѺukذa|}}W_o~a͚5x뭷0rHc͚5سgN8mnj [޽;lllp,_ׯǾ}i|cƌAb-377ϰF>"ғ "%x :ut(C6lb1ԪUKԬY3r=O^W?~!!!⯿III閇 gggRŋӭۺu ڷoy֭Dm/ tR@xzz1ܹsGT*'"z%XD݋w}%Kj֬iӦAѤnPTp4k 666prrB@@7n+ebҤIj~ڵpww#222X]|򰰰@r0dܿ?viKn߾>}tP8u`߿?jԨkkk [㶵+=z4T*U꾳:VeAΝJ(^_NF`ccϟ/DJ`ff.u̜9Gb`gg-[bc5u5j`РAxAv Dݺuakk T\}˗3wڵhѢaeeuVxzz 裏nۺu.\ӽW1 ˗ѣG]ߍ>k(3kܸ1z S˗ǠA #Gҭ[d `ƌFa˖-xq!CN:^{([,x"ǠSbE4nVBRRa G#|||PT)`8|0v t9x &NΝ;?ƞ={0ot:w F{UTAXX~Wܹ'NPF///TP}amm >}:|z!͊VEΝq-kPhݺ5N8FaȐ!HHHѱcG,[ $''UVpZhN:n߾ 6`С(S Gرc1dݻطotZj7b,X...ٳ'lllp|g%:Zz5ХK4oòe8yzz?<<<>lٲٞ3C}^m~effCTRhذaoNBpp0uk 7:6m“'O`ii:uEqe!!!8y$~׾>t \+:uPKDEE[7a@,^8uٶmRĞ={R'$$ի SSS(.\.22Rۋ2eʤ?Ç[7|p@;6uυppp.]JݻJ{N]+mJoZmyfe iӦ\+1ر kiK2|G055ʹ{۶mqFŋz*&Lt ourr ? K(τ7oƖ-[2•+W2,뭷2,ӕdpttLIN:8;;#$$jʔ)Sh4ܺu k֬['::f¶mpMǧ[:jذa%'=xzzfXv$׹w~6l5j`ɒ% {g-ZnݺP_3+S y􄯯/Zhww eɓ'cӦMؿ?3fLjǶm0}t_s2888`Ȑ!6m,,,h>7gv,C++,UϟѣGQFعsg)eGV-{U\\:v숐|7rG}=z4쯶%DT`BdxYl.^t2V!DYMf\t #G? b2e ZjNNNΰ.u㏩qrrŋP̛7ŊW_}f;wpu/pqqY0~x2Kq!Ͽ#4"ϓ̛7F;ٓi;;,g~:z钏`L6-ŊuUDJDLƍб갞pt @ Ǐ7f]ҥ^1ʤNWVv- Y1f~'2 w:* uȑ#}vWDZj2d:33tyzzݻ;Cx{C]WCrb޼y@ gϞ j޼9LI&*K.ٳgTRu;m4""3ÇJt"##q3!0pLnܻw׮]e_޻;~<AӧON͟?x뭷wά>tPӵ֬_NB.]ҵ@<.1i$L<9߻w/V'O`nXt[wHBDysE@@Ww}+WFtt4n޼ÇcĈ_~ŠQgϞ(_< 777L0!u;kkk[>>>F۶mV;wèRޭ9~~~x@G/^\XYYMf;HVsSx.&11QK ":u$,Y:?͛7Ř1cpttE+ݜ?&MM6\/_^tI۷/o.}]QT)aff&ʔ)#4i"S{*ڶm+S;1 !| ,,,2̷-oo Ϲzԩ666}… y6>>Yڵ+N80E BDDT5h}ŬY\WNoܹsغu+M( ҥKq^.]† Pxq 4H |$i&u[WWWTXǏ2h4h4?kZ<}%KJ!""""*Ȅxʖ- :b4n+V@͚5L:͚5ŋsss/^3+!"""" G3]W`;^zhܸ1\\\vZXYYjƍsLL *V[nc&""""*bccQrefMM@^UxqԨQ7n@۶mt >̴ψ,,,2,/Q""""05Ev (Xi!,, eʔ;̰o߾W^ݻw`DDDDDE[m=z4|||c011A>}`oo?Om1b9 lO>#6m8::Ν Z __tr L {{{İks\hQ  """""2& DDDDDd4L@h0!"""""aBDDDDDF  """""2& DDDDDd4L@h0!"""""aBDDDDDF  """""2& DDDDDd4L@h0!"""""aBDDDDDF  """""2& DDDDDd4L@h0!"""""aBDDDDDFS(o* FJ]aÆdɒ/>|`DDDDDT'OFz-m۰n::tGšo߾Xd R`ٲe3gZjwww,_ǎCHHm:6l:u6mڤ[~i$%%[ꊊ+Trk͚58s N5 4Mϱd$''(r""""Ikcȑسg,-- @L:5r]"BDDDDDYY%FŠ6oތnݺ$uYJJ T*j5vލ6m ***]+ FLY H  ;;; """"B 66%KDLLLu MlpuuW_} * 탯/ի{.ܯ,,,2,755i6"""""~.Q  """""2& DDDDDd4L@h0!"""""aBDDDDDF  """""2& DDDDDd4L@h0!"""""aBDDDDDF  """""2& DDDDDd4L@h0!"""""aBDDDDDF  """""2& DDDDDd4L@h0!g^&N*Wʕm㕎͙*5'N@Ϟ };d `i n t,+5Q$..oƝ;wsCƤ~ Ճ퍝;wOHHaPdI>4zDYhn݀2eQGG`Z "`5믁8`pBaC8yj>""""B 5 6mڄ-[ѣw^ʕo][nȓumT^Bo={6Ξ=ڵkAAAXb1|pj=zT׈=bbb`ggGCE@H_QQ@F{K~QQ],kN :pv:u||6mk?"""Ws$&&gƢEWWWJ*pppQQQuN>+WÆ Ø1c`oo'%J`󃣣#VZ???+WPV-?~^^^z ͛ʕ Y>կL}#SJJ ֭[ٳ@֭ŋnQF! @27 ['[;e__wLL ׯLF J2-j=ADDDyDvB_bt+WF¨Qe)i IDATͅPx{{#!!666شip9K> YO@Ѥ HNNFrrr*IIr ۶n-o](!dr`h+#FGtev.TUprQsg֭ll ]\36Iaf͚8wbbb~z1u uQfΟ7_Y`Fs'M{v6NJ&h4 %C$/ϞDDDfnֻsVQ^,p_QP6mPjU+W%XTP, ÁիUXR˗eB>iЯ€ T8|XdfH1z}e*66%K|,8|0ZlKf9sѣGmHZ033þ} z*޽ oo,oaa]05)$&:~ؿ_vMۦ *=k֔?bboƏ7A‿QA5^- >^ӧOvY&V\_4n8t+Vijgϰj*̜9wF۶m;v`ŊÈ#ǎ5 ҺsGN?@3/P>Bdd|\tDDDDT:9r|^/ڭ[7,^X(sѣGۣ^z̝;jh4h߾=-ZqQs(3{z*aT'60@&UァtTDDDT镀m+ɇ @˖@.rv""""C+qwwƍƍFA)AE`^`ܸ39a<  .'Obĉn7i$ .tDDDD_4щqehѢE|X1]XRE7fggxq#"""(O H9rhݏ?͓w)s;nn݀Q~c We͛po}ԭ+'dlغP:*""R@@@QW(;zuֈ/дiS9s&"3k?0ȉƍ|(}sHDDESl,p.喇/E `H`2) #Fo߾HIIAhh(ѩS'ulD|Ый3pA9Ӳ+y30d*)8xPrl 9Xɮ]o`c#wرwOP> –-[йsgܺu UVʼn'a8a;7FHAv.г'p 0w&7jl=3yNy>(儾.Dž %-ݣV-tbnnUb޽ܹ3sssT\WK? ڵK ȹ,<=px}G_5eQ~bm-Kw7~Ld\pu͘89)rGW^X~=/TRy[pLB.\6lʕS:"GJ(cG9UɒJGU| +3 \Y>v}39bdfيȲ́ŋ00Cҥaff1i\CvzI~Ae{,;''kNӔ~I= KPŋe*eFsIfG JGE:Bȡ[VΞea,*#շ옾sQa>,˲7#oQK.r㐐t%WAgffc ?tT-'=Z>cS_}W+N!9^zuEIHXQn6)Y$4i oɓ'h2l|רW7o^;/K}<݁#G|YN,xecTd o˹VNV:"Ϟ<@rˉJGGDUJR&!W(^}@^s⯿Bll,LLL !"%%ݻ7PfMcCѧ#Y~(0o0{??yu+Pm7n;UnnJGDͶmr$if&Kv߫66ֻC9Q~!<~,U:"zBB8Ǐʕ+ [I\]]-Z0G0}N ̟  ;ZZ/΢矁aÀmyHO8MDوF/:u,hr]2r}e2Ҽ9cHzhNoYB(XoHD?C:u d"sKs*5/4ٿ88&FܵK&%VV2Q&%ի%|"ʧw[鈊6& o( 9tx[';=̈JGDsд!N U*Q&˗ߗȑ#jUyѡG@Dݳg/n.kHL@Pn@"%k̑#^Y#G[Y6SVXv3gVKCM ';)o+תU߿DEE|<Хlq߲Efq8::>F|_P:iS+8zGA \*P=ztD4`8UpN4TȎ>>rv7k,Y9q"P>t(iBDWbr֭wömJGDYa H6r֟ʑ^jՒB8Km('[WpvV:"ʭGeJ,[&*|Ο>PcO|ix!KtZ׮Vdy;F\{`*G#*Z+/"#_UABl;2(4BC>>2*o/<  VV k<2&'-YR۲;-D,XRUlɆ!Z@t<}'KXD_ά=q"0uaK7HYBW+W++WdS`atTjSy%-dkI!UHJI%˗| y ]-[x&Nڵk#66 q2W2+f@ OeDZcҥ({L4'LQѭƎ*V~M^$iC#2R&$dDWlE-Z$W:/OgϞSN9gj ɨX"ӧ dDg` fM127QVׯ~4ktDte;ӧ ֐5qA<0p\krߴ-$29Nx{%*섐}b#*ȸqpilٲwE~~~ؾ}{.zCSFG~!)Qp萼èR'N0(*LMe cw⭷ŋ ʟun /<j<# mrXu''য়6mԤI{<>^ȉ(3*0{]K`4QZ 6`Ĉ񁉉I5k۷ [V,;iPS[Qbж<~\N,FE'pG/[""^u|o ] ;tfj5P,X>cBx˄iSYNw/;'*LCZ(T5{L>ΝcW.-ˑLH))JGjxr3efd:uw4  <{tTEד'Ob{"pIK['[HΟj09E(? ϗ-4'  ²e˰e˖e* ɘ>}:oߎ!C4Ȣ[^?XK&$}.tȡ.wͿSzlv,[SQD amm-w."""~@:|%% ,Ą B !t Ѡ qܦ 9wN (WN3g 0!~[Z~5#*8P~t$JGT Ѵ<͛ qB^-={ t4>Ϲp޽X~=_VUgϞh׮a3,t{1~x\x.]5AAAXb1|pj6j^ &=v}%vCC;+eֶo-9ի;)ɲpywyJYB)/7m[DΛ' ![@ƍ-#]k+VIuMd'Q-(~IF v-7̍ ѣG8tBhaff&֭[˗qqZ@,ĉBL*; Qco JG)iB̝+cU8#)!\]gr]y[wU*4{ttSJ+W Q< qQQ^o!6## aa!DB+Mf!,--1o<"I27nz E:u~nQQQ(^xv...5j2C@Ѥ * 222ߴd'2طO]To>TZU+v:tLz/Z̘ z#qj,ZF۶Z,]EٲJGU0\ l٢j9@˖]Q ҥ*|'ґ< mkwX^WUM OOMQ:)66%K̶4';TTZ* hZ5 M4A:u077O|"\ 00SNͰ<66A33C3`^3oQLBj)h$ 66ixg͛4EĨ0h U79>@83]ӧ-[apks<{qh3& 2GP9L`m-ЦM">8 %彨W(t ,^l ,l *jءvd3x9bFkMѻ-7VѺ5>9b L0\r3$ܹ(Vӵh'Zl3gfOAoNLwVI=CCɾLV.F:[[gss`D5֮բeKB Ɔ jZ+򒒀CTزE[U_R:wUukKK<fRc"q:ny66)(QBHȑ&8rD9S˾Z9`tvڡRJJJ?/ >۷oÇSpvvFbb"ӵ<|YXXX"ozSSST+%K=zǫ8KJ=KLG2>/mW*Ԭib"Iνj@JGf|ϟ)6m>DG{4i){Wr9&?_ܷ/`¯%*JΗʁcJ.EICr"1cpwWcP`TDR\3DGJBJϜ'#i&&&Xz5|}}W^+?//׾F~ H89q4 2۷?ѣeVaEFdc&|$$y;u= pe`D`FΘ!/h~r"+WQni4 'G([ބ>9N@^-iJf- 駟bժUزe j֬>E;v+`gg#F;k0!*xRRᅲ$LM5jG͚/_K!坹MÇ1{{L:^C܉rhL(+w`~S?- ..Y@!-VN.@2LyK``XY9_A`!A<NAs y#!9XRX[+$;vl$%%oFPPjժm"000L@(%s'̟cau2_&べsWkk1C7NT}<9J֌r:K޽~̓v& DxB&%ŋ3 wO'а!@&JGU40`d 7rR9s\?47X"1eC(_*VLv h]rdGiS9w)Yv8ё_U":|Xܼ|ܼl\fk6?.}^OodX.!5V# d̵j!N ױ`TZՐ%"""='Y10ڷ*Tn7Q*wp`B9O?E]ԪU+Q#cƍСT QAw n ̟/)w !x[!|`y\&q7o6ի+4O#Gd"tTʼn""*L42}.믁!C8l>hWrOY9fAdBR(X~)N:ӧOO?n(YXΰׯˑ兴nʜV+Wٿؼ ]d0G);V)r,^׮]r7?QPDDDwH=;ze=fQ&|*9qJGD0lp,~puCi+Q CXZZzDDDd`#oVWW7$>^3 =z( F*@Tؤ IDAT5kkk࣏ >#ӄ^}@@n3y;wnݺ8\sg!sモwdz*4}:MjPTemm wwwp+]QQsm4znu-*ډ)K @b>h;bnt(Xj+Wo 3& DDTT );10mPQǑ#@v@βQ~LFNɖoh@D h4g:aa$`Y~dbL(tdyys9Վ0Q~￲<߁Ǐgv OsYvfǭ[rN 5& DDDGr_H"dg-I HLMM0Z 9ʎ%7oR%tXxyA~̝;gΜALL Zmm L@^֮VBBbŀ.]d2Ҿ}EωGd!I鈈r?d2r*  *md1}[NXSlIF*r ֭[ѽ{wTV M4燔رСs| Qnޔ#V rԬ5+X&=ZݓG*JGDf_ɤNh?zr;+ EժJʓqj8vbbbPtiݻZѤI̟?}y "" "W;eʉ _֥n Щp ~}#"28` 8Xζ6pr2g$ ŊC`` Fh(QvBvSL G0& DDDBf^->zT&KjR:B)!A\$g7߷oތ>Ϧ9ݩ,7$Daaae˖EXXX.C&""Jcّ{*`|`t୷dHNl^%+0]Șroxzz;wDJJ :tp\v-O6&9:Me28:\Ih\>([]ps{[ WJTTI V`` ϟ;w6m/VC 1A( a7dd];Yյ+`ks_F$e-iڵe "ȓ$3{ƍabbΝ;Co| QyXN&#r^Td*mj)W.}K4W<' Bf@+& DDDq츾jp˧O2tSJDY3x"%͛_1!""2+Wh٢D`1(X* UVETTA$"""zQ^R _~%.\[nEHGU^" Mrcǎl6+""6:())ɉ{mOҗ_~g}Vnnnzd6ծ][Zj|rul$m+Nnnrssm-$)//Oyyye<9g]}Q߿_$5hඋ@#>>^Eofy]V%I<}] l^{99s*= H6mt[n?zBBB*5 דO>-Zh^ӯ>}[AT|yG_~E5jԐ$ԩSr[CL&}w W&uqqQU~B5k,YJ ȷ~[9^%U'KRFF; .e$}`* ș3g4zhmذV[˞Gg5JfYw ޽{qƕEË7nUKu0 HLLd6"JK5k޽{߿]L&fϞ]j!TM p)`]r它79\@\]]"{@ogm۶)33S#GTPP\cǎ) @@%]_!C(44T̙'NHV:u zP$66VVҼytA~  5k֔jH䣏>ѣ5~xիW`ϥ@p1j׮-WVM/_P*' H vIII P*' 3$W^z饗v\^[,IR^^ӷ;眹R\|H6ͷ|_||bcc,"n͞rS@NٳgvÇe˖eaڴiX,'SRPn +ӤIUn]}222lnUEƫVUWK3jʱo(33S͛7SWn #N<ɓWrr$iӦԳgOkС3gfi̘1^` yި(}EƷmۦpI҉'K/iPddf͚T*n Ϟ Y@Bg( C` P@00 a( C` P@00 a( C` P@00 a( C` P@00 a*d9~F@ըQCAAA1c]Vh5g'% IU$RSSUPPŋiӦ4j(hܹ$Ţ={*""B:t^xլYSGvOܛLV᭷RBB=*IJHH믿.٬իKN5k(55ծcZ,yyy);;[e 9S-ooo뤤$uV>$W^:r.\=BNt-\6Jf gVV"Unnuvv$+@aX$IdU ԩS5{salz5h 5>?>>^EXdڥKUr$++KΝ>M4M:sZt\\aÆbh͚5m۶[n:]W@N:|P)))jذx=b_Nb]PJJSwjҥK_~s+WW@|||c׾OV׮]%KV$ijѢEC\]]j{}yzz/ PJW@wnu  WF4w\eeel6l62dW#F(%%E}yEGG;19po+WW@yf+==Ԩ3ʼi&3FSbbbxDDEE)**諯*xzzK.\~Jf̘Qh#P*{j:ʭBP1Q@0b,\P~~~RL&MH@~X|}}5`9rٱ +!!A!!!iΎTf͒dĉR… j֬&M(@c3F~6oެׯgϞqv4Bjذf͚{jϞ=֭ﯔgG*ݻwk qvJ`݁dԩS(@%___رC;wvvR[o#F8; Pa]|Y=-Z8mVwvJ+ - +V(''GaaaΎThcƌQ߾}(Z|!@'NTǎ:;Pa:tHaaaz>^ZΎTX+Vо}{ngG( 5f믝Zhdegg?WddvA JԩS0a6o,777gǩXrJرcvZܹSΎT* ŋp֬YJ*|L&(776(sVUƍի}vP @Խ{w:tղeKM2Q( 0ڱcÇgQF,J`̘1OvZ2͒$///ըQ逊gڴiݻ5jK.O>۵qFgG*￿ȺDծ]eR+VڵkvZ)==݉ɀ)!!A^h|ɒ%2>Peffjذa:{7GΎw9 C` P@00 a( (**1ND nҥ2LڳgpGVPPW:;Fk׮9;֭[cC5kTuBDEE) {gΜ)Thd2iرU6l[VũaÆrwwW׮]R/^ĉ/WWW5mTgVAA΀O۷oWUF nZ۷o$?Q֭P߿1RSS?YrssSnݺB\~]j֬TvmuI7o"|qL&͝;WWPP\]]?Jrss5c 5mT׫;~PTuv@/ջwo5iD3gԕ+WpBuQ+tc֭ZrƎ:u8111S>}ԧO۷O={,tӧO_TFk.M6MgϞ+==]C ы/^sOk=ZZҡC4o +B[dUuVjm۶z9>X f6nܸf̘a$Y]\\)))w̓i^o߾ւkfdzxxXBǘ:uJ*֓'O7nldݵkmlƍVI5jXO8a_xUu۶mݻ[[nmzm裏Z5kfkӦo߾ҥKk.]{>vUӚYh˗[]\\_}UD$7|s P0 *g*99YQQQGWcwEw/Եk4nܸBS&NXdUVSZ믿P~~vy VXXu$IݺuSF=zTtymݺU֥Kl}9Kiii:}$f͚JIIQZZ멧OUVUVjٲe[nm۶0 *'NHZhQd[VqFc:Yf}||TVBciii:x`233y/%I/v… nLݲZ>}IDATO~oРj޼|A=:tBBBV>t>= o/vF@=zЫZ͛UTqhj>[&M^zoӦM%I;w?kjӦM׿y)11Q#Gtys,((P֭o?*( P4nXtȑ"RSSUNՏZjŋEyn3I&,ՇteEDDglժU󽽽5|p >\/_VΝ5sL[Umz9}޽- "TtJ^zj۶>B~ЦMԧOXPPuAٳgzjժi…wG+))I7n,ŋ˻,p-^XgϞ-=++Ν+SӦM 7((Hw}7vgȶ+W(''c@ydz-[aaa1b6^^^9smgyFSL5~xoJHHP͵o߾&MxO}~zթSо'Oֺuԯ_?EEE)44T999:t>s?~{J{ァN:u5j4i %%%_~с$XPy{{kϞ=5vX۱^xիFL%&&b+СCrJ/ѶmԱcG+55U+Wƍվ}2.(n^e!""B6lЌ3jժK.={vϵkիW_}UWZZ]Im6uA6mR߾} ;v7ԪUl2yzzy抍-/+ڳgbcctR;wNj׮bbbl?^֭ӦMƍ+..N'OӪU+-[L111Vpp/_O>`;qqqњ5k4o<-[LW4i &ص&;s c0a8k@۽{<<