PNG  IHDR V%4sBIT|d pHYsaa?i9tEXtSoftwarematplotlib version 3.0.3, http://matplotlib.org/ IDATx{|渍1gCQ)|H#RJ|>$%̡m̵߮õumny}>yl#pwaVΝY߳DFFf͚ ֯pjY 41n8l6m޼sl6x8ۺu&ͦ_~%ű\tI:tPF4o@ZUX1=H /ljѢEl޼Y6M}qad{ƍKؘuIlٲN*^/Ա~Ν+WJ*X&vI͚5KÆ S}RJU\TjUM:UNٳgOgҥKqy{{kԨQZdۗ 41`=zTjJU9SLѣGu='O^zB… Zz4ir=O>$ #x&Llٲ%XymڴBCC5vXKuw}ATRZ|ygS|x [ʓ'yO9sԫ5j(,,aÆ]v:~ڴi*$$DsQժUO?%;e˖ڵklZh矴5jFpnZC Q Zjڱc9ϟWZ'QF's7裏j*\g}V7nȑ#ըQ$5k*W\ ӽ{whر){@z323gIy i&#ۅ=IQFI{Sz*V)V2.]d|||LN͛7H2SLqe>##Gi֭[8vj$3gΤ8oYSN5Ν-&&H2?0Xb&<<<ξӧI{Ɏ~ >>TR?v(4gSBc .l^|E[2[n|_b4oVə3ɝ;iРYzu1!V2M41TPk&**~?cTb<==؟i|_w&U[l1-[4۔*Uʼƍq=)۱cy_qB<>7xV͛g S^=;wnϥ3gIfժUK@b͟?H2*T0111q%>SNiӦRJSxq3~xۼyʺ3َ>O۟ve$~'NIe˖ɺֱcf&M8qF#3===MÆ ׯo<==͛7ȑ#MHH2&LHV+Q'yrɖ-)S?d|AߺudZn1:u2?L2ټydƍWJVی3yfnZM4ъ++gΜb lRM6Ւ%KԵkW/^\ 6L &hر RϞ=-[6-]TGu*x@>c5j(N?xIlQ-Z͛UjUCn_m?`7rHM:Usqi۶mzg{-^X5jPN?O4|p7nׯpjƌAӷ_ٳgWVT@߿_&MҦMi&y{{ljwΝKQŋWhhƏbŊ[n}UVsܯ3g8=(>c\VJ.-oooرCꫯ$Yݒ㣏>$=3*ZxmڴIgΜQHHx@Eg}3g'N9-Rtttp6mȑ#jѢxzzڷܹSn҃>p|ɒ%UdIm߾]111H{B>ʕ+pB-[LO2ޚ5kS6lPhhh. @\oK,iBCC}V- 3Noߌ3eʔ1/^۽{dZjoY8{Fy'1|FiРAc>|xyy*UK.7e#ɼD;wne|Ra֯_LL``{L 1tH2}}[rQs 4}{ddiذ&9- YޮXbi lڴiFyM>l6SP!ӧO3|pӼys-[6ӯ_?s-s-dm1fܹF=z#F0̊+URdϞ=Nװցի;twJ;vInݺqϘ1H23f̈-ZI_M={4ŋ&00<mIcLJO~6+LbuJd7iHU%LѢE-dFy7ʈS$::͛ה,Yҡ1|F9sþ;=c VÍf3ڵs׶m[{e700[Fb?AIf֭c``Q}[3^zsMɳJiҶm4τDFF&z& /dMf!(9L8m۶9tOJ6Guə3)P@ڥKMSɒ%Suӧ裏*::ZK,+'W^QΝ﯃jȐ!zb =cN]?du'OiF-Һu/_^իW_+W(o޼ HRݯ?κyZn'NhڴijРAʋݻSO)o޼ZlCÅ ?עET@d/_>IZ6 8cCNh_TTT^zU0ÇuqSeEEE[L|aÆZx .m:%iҤI:/91-UJJ})Gi[ϟ?/I g={zz* o!#:s7nK.iŊo!ChĈ 4З_~%JhСN% ϟڵkUD 3HOd! &ҽxþH]v2Vx͛TYsVXŋ+ @gϞ/HwJ*)yVg\%J(-[6LHLLn*鿖|LGGG믿SM3MO}:b/_8,SOS~$iӦM:w:v D޼yS-[ƍ5j(+WtiIz19yrȡ… ;۳gz!I7|5j8/ʕ+Zzó]$00P6-uXb}&@FA ͛WRTTTTnܸ/TJ}ڶmCWm۶9]N3ʕ+'___߿_nJUEvZfN={v?wex_r8p33|bgs-^{Jh$>x޽{%ܹs 9[WrQrg:wllٲq> 'N0\o/H ӧOE//xgŋdrBg6L,'s{w]εH1fѢEF5jɓ')UTeĮ\7o4M6Mp&$g!Bcٻw3f׮]Ɏ1VRO:e$.]@zB ym۶)<<\UTI(UƎPU\Y:tVXʕ+NSlYkɒ%Q…e4p@i:p~m}jذ (sСCk׮$phBcƌф TT)hBŊ_Y۶mĉ'O-[hzG%I%Jлᆱ.]g_|a/I&ڿ~aVÆ հaCUXQfR߾}uGQɒ%u5>}Z[lQn{aI޽^}U7NTɒ%~OjԨlْ}mV3fH ~k'rM={V[nչs/_>-X@͚5K3UNUREO>rʥ/RǏ?vُ SO=EFjѢ.^+WEZb}4iD˖-S6mTZ5yzzSʕ%Ykp$gƍ~S:u?t8fܸqo^g֭[UL=cׁqFȑCӧOOkt=c^իWO;wԞ={Tvm6m(OvΝ;iLHxxɑ#ɕ+vZΙ3aXݺuxEKi HlBb_wNk1gϞ5ݺu3 0ަL2f-R'OL%K&+քZ@4h` * Ȑl81 裏>s=۷~= *hĉ5j2hUREo!Iڵk#ٳ vwL3gt…8 Gvڵk:v]vߞ|HRf={m۶H111|d,k׮)88Xwt ȅ $IAAAq]paZ///˗~L|LǧqW…ݗ4rH ^E̙3ucd@ɓ'c2]R`AIRXX *dUڏxb󢢢te񑏏|IҋĆ/dY jÆ mڳg֭+I[wُٸqbbbTvm ![@_3gtA˗OE5qD.]Z!!!3f3e+WN-ZPϞ={֭[0`:v Xedjܸq]v5|pݸqCzRxx4hk*{s.\iӦPvo^'ïNիW$s "2$ \ːp.CeH@ !2$ \ːp.CeH@ !2$ \ːp.CeH@ !2^ѣ߻;Z5\9wGd$ Ů_ƍf̐M) l=ܹ p i? %/jqDEI+|;RV l 2իuw8t&;(\'*ʪHZ%haUKpwTVvԶ[R" x?p׊fΔƎ"M .ڷl6wG(!V+K["j$- {޽~lmݏGʑQdNWJ/,͚%U*T2Z@KΥ5bV>C{zJCX W~]?^zM{ޓQi@K>\;WSGc IDATVM*W\-wnפΝ>} g^}U pwtk]O. nIgKzI ;T"!}4b=׭]A,ͱcҠAҾ});?:ZvMzi7zDž /HK<`([Q,XD oiiTX1Gw> ck&~ZEFgwwT@0뭁TN顇C{ɰxҬ#  !]'{U!=OOΚ5z肕`Hf&u.SjY3@;N1tb4gO&@T"?`ܽi6e׭kRH7ɓSejVLORGI]Z/5Wƈ Ȁ!ҀŋԩTiSÆ/K/(Hڹ;* H@Ξ+ͥ%VȽJ+;* eH@d9QQK;wURҥR 1lV֭;* H@d){J{[krUϞRh@je4>kv/Ew# Kz=kT5UZ ^Vm¤ɴ HttƍO?T.\PppuѣG'1 ՜9sk*]HW;P%-X EDHo! AY[ӦKCHJY-tEfiEO6Mg *h޽4h Iҫ~[BBB4f5o\GQ|iiZpa_E'>p矗Z%5Ceڅ[l }GmڵS9駟` :TW*((HWǎ V+H;H= k KcԳeswT[eի>@'NP2e?h>}$̙3pႚ5kf?Ok֮]M@"##i>""Bt#wھ]SǏK?o4fLr綺\,<"+=ڦO?̉V͚ w#g̙61b"""TlYyzz*::Z&MRN$I.\$9/((ȾNSL&"\eƏϡO?ͮ5q UkR64(~C~%b2ԛ3ml2-\P-R tA -:w[T5r&驧ӥ= db[3֮->c,3uL[y<<]>$fi8qJ.m788Xmڴqso}_^zɚRΗ$yJ4z@x1ixkf*UV`ɴ^vMcƌʕ+uE멧رc-鿅?A5kʔ)5H0EFٳ7s#k'm -_.wrbҔ3L r11Ҝ9VkH`׮CWvM[W:|q߽J{H~~ YS^@R>Ү]RҫZ"'otD/KmJ;[Z )rqEEY+O.)#m"5lɑrŋGƍ^ya.E پJ0P~٭_bÆI? A=5;ȑRժ㏻;" H@8Y?7ftɪbEHH^^zbEwG@bVc͖dԡ +٤sU[Ƌ9[n Q[5ձcғO|@V+j.5ibzU8PU˚Rwn k OI Y 8*WN7Oz 9V-wGHoժYfu*WN3wVH@p=5`59cMءQiǁv{TԾԲ;H T+Э5d-R4@Vp+ւWK=T5.djKn رСRl'$GVv^Fz!7ۭUˏʝQ2ץP魷eߗwwTȈ?ߎ$ =hU+kP}Rɒn p_YS9IT5{/V R޽sIӦ1e/"I`x5(Gڵ7Ș,oݒڵsQԽ0V#GZ7ސ:wfzvXH@R)xysk !#9~\WڴIQzM`AwG*ÚdRkY{pw#I%gUR۶V.woEEIK Kg3V ~֭ΞZEFo}?"ڴ7zʷJ+K[HT_O?|W_&O~7mg28Rf =Yc:.6{Z( w;rĚYq6S'it@wGW V*9H[MGHeʸ(@ELxJOL9+*JZLV֍Gi|E$:Z6 ֬)= d&$ ҥu "C7;;wZ׫g@Ts+UJƓ&Y Q]duNKCLH*>kCY!-ݸa|O-[7<}Hի[Ǝrr܆ ]Rte5cRk䴀HV3cT~KWR//*J;{1zդm틌M(Y - VߵI;*$.XDVfZهٳK.Xc"mޮ[=$Z3^)i`ke;%u.HکSR֋ݻCJ)I@4 %՚+Uɤ[JaݿTʗf ~yH6Ҏ L:X]f;vX9F:rDjQ$G%/̅A.T5ΡiSi0kw%CRժi{)5Wwk޿е#r1ҧZ33Z\y 2snD}ZkOm[Y%q_?iFkfrV2ji%3֯VLÛLÛHnK}}^=&ƚ6)]L h\zek@FOH˗o\č{ݻӮ̨(iSkn7ސ ]hSFUTt^S:zZ4z&q `%"=`i|ӦYۇ}ԭ͍fT=ԍ+ߥ<\Dd;gl~X:}Z'k+RHMbM3w#;Vԩ5A͛&#]o%kEu/BBuҦNdm BODV]h-`Xw_͚Ҙ1U1pRҢEJEUstOVB_Vם~M8Pz GwޑwyxY EիUDB)4T2$Cnݲw4`@Κ%JO?v pR6ґ#RȑRΝ)U. &}=st֯Or% 䑦OZ6g׷+W˗^m9rXl*m֭I3uCIO>iԞU0 V" {O5J($ɓ>}$OϤ9JVbϝ2JJ<=ĤV-kΝROL$$ p/[4I Nٹ'[naNE i2fK H* #XJjJPFtw4 s: :9w:wȑC*Uۦ0hر*Trȡf͚ɓ.H6mY^~Y;V1#y)wZzvء#G(<<\6M*Wի6mڨN:iݕ+WT~}5nXk֬Q``Nmԣn| HҥuuY:tPݺueK`1F;w˵pBi˫y:{l٢{GSϞ=%IOVɒ%߫jժ5jUꭷr(322R#""TH_$ Sz%-XzT1*S&rΜ I~^ Ddu0`z쩜9s&yfSU~}M4I~ar.ӧOkz4j(۷O v .Hdw)Sh#""4v XAxKÆ38>2 ߼)Z͚e UpK9Soδ`y{{ۖ4hۧ]viΝ_Ο?Be֡Cl6-]ԡLZ@Hׯ%͞mӔ) ~;F-ZX56 ?F1r긡C||F8ڵkʓ'OzmWP!/_>ζriŊ J$ aaaqdG>?%;ۯ ,_>mOKIZy}{k҃JKJY-'w;gi64͛۷|}}ܹsgUxxxZ]"q8qBŊ$`ڰa}DD٣uKL@FW7…Җ-עEҺuRR?.Ҭ Vu1*88XGUvm-_<-.Ǿ}T^=?^:t޽{ճgO}ԩ$iڴi:ujixGe,dek69SNvUVM6ׯ_իWFʕ+믿ѣ{ ԬYS+Wȑ#+($$D3f̰'4|pݸqCzRxx4hkײdrz뭷hԨ֭I&Sׯ_W].D &O .(o޼Z`ԩgQʕ+AL0Aŋ_Y]tѰa#6YL8%TZU˖-SLLDGGkŪZj$+yջwo,XP{uԩ8 Itt~g-YD=ԯ_?=i<%c@\_?.&Iʝ;1q$ҥK{ի˗ѧ3ƀsAǎΝ;u1_-[VuUrRZt@8ϙs]ٲeUl.,X\ːp.Ce=I,T% ݻw׵kqխ[75*Yd*V;{UZ5;w.5*T@hB}Ս7?A>|x :t(bL*iDGGkʔ)0atec=Vq3K8SN tOOOuE*TٳguM#'^?PUT`uI&MRƍ/AT% ?zꥦM꧟~RN`}:v*W?bɥj H|4sLua˗շo_}gNUyԟRsÇPB˗/.]˗TuJ(]Ss YHZ@-[q:tHedpf1 @֗c@=-::ZfϞ0͙3'5z%4o\ʕӌ3y.Y =1[… 2tM@~7y Hƀݻ7ںu|M=裩,$U H:uv#֭ͦ[K%d!J@֬Yf)o޼ QSS<,&U H*wtKU $;vL8W*&&&~ͦÇ2TرCիWŋ+W.9rDʙ3;&U\9bɥ*=z)'OjѢEP߿_7oֹsԣG4 @旪dz7o^yzzJ%I 6T^4jԨG KHU!It%RJ1]RJɓeʔի׭[E HUkɒ%nWֲeTR%UXQ{4 @Avf$=sTpa/^\f/&&fԩl?#6oތx\t Æ 3Z6W6dggiӦGpp0舯 Ç/KDDDDtg j`BDDDDtL> DDDDDcBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDDaBDDDDD17acc]~3*,.@6n܈3f`8r+WzՈLQ ˖-Ä 0vX<#Xjׯ>ЫFDDDDd)))Ç1`} p͈LW@)W^Eii)*;99ɓ>\t:VDyy"""{xx`mꦜhjmҤI#++R{VV}Μ9s0c 㼼>>F'U#:tP,PmӦ\rJ{VVxzz]r?Jﳿݭ< Fl8::VjΆ(Er̐6mTj?}4͙[K,Y^zSNhٲ%۟ $&&bڵFzj5 ru:6lؠX;{lcȐ!t0\SgS믩r?6_U~׸7nQn۶ ǏqO2"::777 4 4P,Ӑ"ÇW FQ4P=wJO?4<<<2kjlJQ}wY܁|2a#JW^ӧKAAҡC5j]nzz 2D*.])SHÆ %((H5TKJJdb ulܸQ,o]r onŠ+BaӦM2d͛1c \~K,q5֒'BDpu <gϞŚ5kӧ]ɓѧO#$$͚5CJJ n}饗h#** =RRR0k,5q68Z.syg_U /,1blggg,_ܨrG̙31cyf\z֭cn-h߾=QZZM"++ !))ɨrCDL4???=zT\C͛7ѴiSdff~())A@@2kjl*Q}wy :F`ƍ `LL ,,,ХK1XZZ vff} i5 ڷo_4%zmllЪU+ԯ_`ee_c5q68J.syg_U7gH"}{^^QuV}NN3\SgS믩zsߚno3 r?~?)p؋/6ݻw7>cՊ+Wĭ[@A%_z%5q68Z.sn3RyH accS=55wƄ *7-- ͛7 $%%)vhS%""zp?6_EEDZz][ X)?xƖkjlj5q6\"C!X5ضm]ŋw}ll...w}CW=6\SgS믩r?G}zX?-ww}\"""us@TPZZxdddлwod}rrrиqcE3ʪ\uڵkhԨt:ѪU+hZΞ=[mժ♦NͿV^I&kHNN`^Maa!aaa\$&&gHKKyn7t(_ _uK.)s5E77nܐ[nHNNϫ([lQRSSۻwJ׮]%,,L¤K.*WE-.VVV*W\Oرb 7={H``+?@qvv.]H.]YرcM6m[3gO>!ӧO"nݺ)(~~~ұcG9v6m믿.?&D nW6Jnx̤o߾v*@)οH򒌌 EyuM^^^4h4!U~,--˽s,/^,{7x~~~~gңG9r䈾]rۡCt+6sΕo^܊;qIÆ W^~zr+s˖-kV8J/~`fR7+aРAKD$++K.\(T,[Ν;W4WWWr|%mڴ777r+k)ԣG/*T֭['ݻwW,].^X4%__oo*mK,iݺb@HZZ 0@"""DӉy"">>>$GRz套^ׯk&6l2پ}j;0nܸ!k׮={*۩S'9v۷O4i" ""r E;w'Nȁwi>>>~`ex+y&FSaFXnHH^~eܸq _~ Att44iXnE=zڵkqe=Z˵HHH@aa!8yNJɓ'ܾi~'HKK'իz鈌T,wѸzj&OXnϞ=}Jm#F[o˗/+;CoOMMbׯǺu___A߮ٳN{'Ŏ;*͜9=RSSurrҿׯ׷_|ͯj[˖-k.ڢW^; +Ɛ!CPPP .\ܡ6-]fffh޼9+++X~bRplmm1n8$$$(o"88CETTx x{{k׮x z)DDD233ѫW/r4iHʰ~zE/LҲeK$$$ܹsU~-**xܹ Cqur+=۷imرꫯ0k,,Z{g^www8WWWo߾8r"%%%={6>3888 ==߿?V\ Er;vDE}7۷oGxx81|2V^#G*c5 M4ANN?*888(Et:t:wR<}AѠW^ܹyԾVqq14 .\P%ŋh޼wI&˃*033ԩS+ h4/KJJB||˗ѩS'Z ^^^xgTeɓj*ErI&aРAڗ-[3gV*jSHH6o\ï˗/#44"D˖-÷~t-@J}cL kĹRw겖5PҾtRh4̭)))ү_?j#>>>jo߾We.s*S{eÛo@*(efͪLS5ܨjg̘#F0n-Zbe.s Lo.!"""""FDDDDD DDDDD DDDDD DDDDD DDd0 .F1jX1֭FؠYf ~n?c…˫5&"" DDuԢE+WbڴiW^y۷GRR-FDD ""R oDHDTG=cܹ9s{n<QFA̓2d쌥KVYFqq1,X֭[-ZYP\\\i 47Ν^~\={@`Ϟ=>}]v8|0Q~JˊF^`kk '9DD#~BDdd1w\ڵ &Lp{gٳ;v,qqYǏ/FaÆI&GGGŋ1o>}=x'ѡC,Z8s~IDAT ^ rrrcaȑ5j~l"##1zhß+W"((pwwL""""S>s qV+;v??_ ٻwmɒ%@Ν;Wi޴4177ŋWjONN *w IOO׷bnn.ߊn΂ L8QߦU4k׮IzdH133}UZU߿_DD> 5KtX ӷ[ȪU*{u &TjV[.!XDDFAU\7oի֭ȑ#\w}2իgggiqqq5>;wDhh( Ə;w`ܸqv{{{x{{ٳ͛7>>>oan݊Z{رc+ //>l177G׮]{<&<ݸqM6?EDDpʕJsy)))iӦ閖5>7;;EEE>۷o*:jacc?b{`RRRp agw*#F`ڵ?~<^{5Æ af`5oVVVRRR@_ pѺuk}[XX~gG PVVA'eeeh4y 4u[]HcٲeۢE Qڻw/O?aǎظq#]vܼ,V^_H8;;Wnaq"{""22?ڵkEDDϟji^^^i}Q^jN:Uk9GEyv333Dzeo_G\\ F@{Mb7DD'BDdDvލ7|x˫<@՝aÆU#"c9BBB###C~ ܹrjCXX.^?UC{SZZ5ko6nݺUezvv}/ao@h