PNG  IHDR V%4sBIT|d pHYsaa?i9tEXtSoftwarematplotlib version 3.0.3, http://matplotlib.org/ IDATxw|TU$1EB3"( DXj RWH@E " ]  H%H[P@z=R2ːI0aBx`9ϝI~41\(9sFUVUݺuujٲ,Kqqٿ,Wܡ͓bњ5kn1zG%K;>},O~CV^p9ЧOY,͙3v﯋/ێ[O~dXBaÆ]vIܕ?~BCCզM5J{q֬YŋRJ(uk.7N͛7Whh<==}jǎqF= T.]hժUK֭eXTn>GQ9u>CuYҝwީ;jٲew%ꫪQTbE=:uT7n/ƍB R5`;v̡8g͚eꫯԏ5JԻ p x%I l7g]xQ{$O?ox(>3ڵKÆ [_zu+zW4x`uA'NkK?Tt .ŋEeȑzuYuEC QTT>3{vyQFZh~ RttN>mӾ?~,zA)$$D|ի?=AL2]:uP*^vv 7nnn$~7m4#L6#-9g$%$o߾B۰aCfmsv=nզjժF1bm-Ziƍϙ3H2kSi,ٴiM b1ᅎ_6 /`$'|(J˖-3 .4YYY65رc6u}dyw}H2>Mwy޽;ϵǎk$z;t`Wn b$/n/H2ӧO/|@iC"ƌc$W_}nmی$sw۔_P jJfԨQvmۚիWѣGs=gjԨamaz)lmlFi"##M2e^۷ٿ9ԩSo|}}iР:uj޷L3aSzueWnƍgc7dZha\UT1UT5?S#Ɍ=n $ӧOǏxSzuiM֭[%--ɓ'%L2n׮^{5߿-X@vX=:y'xBϟ?^x>|5`kNo9 {*Sf͚e>$=ֲ={Azcǎd5i mVK.U=#hϞ=_KZǫ^z[?oG&XBԤIJwu׿67]jΝ޽}Y_T^믿?5j(>>^QQQ6m5kYTbwO׮]mrܩnMaS^n];vL7o)߸q;6m:?9oԣ>4}6ʖ-nݺ?<ٰao߮nݺlٲ6uǏs==s6 ryo]vAnnnQZZ6nx󻹹#:tyl=ܣ5k0 bNP$|r dӧm +p>}I?)?~ 3˗7/^4`|!OKK~+H2]vҥKoUp{\|Zn:wl$~nWZrdիgÇ͝wyz@1G1̺ul333MPP 7fɒ%6wi|}}MTTTX$.]tkJ\~H2vSH1L:H2>lҥclO?m$Z;+){4|p# 80Ols!X֭[g$F[j/66 >VZt-ݻw7Lbb1Ƙ={b5k%K$3hРPZB򛌾pB?~\]tQ@@S8u>snZOe˪~駟w^ըQHc>ŋ֭vء_EO>ԩ,X*Uzm۶M\1c222l~$o߾_o]}ћo~A>ĉ2d5i}WwaÆ/PNK/9}|_an_[( k :H2|1ƘcǎSr<S!X3gwB?WN?p30ۜԩSf&$$ڮ|fHvL^qss˳z1l߾2ƘH2 .4oիs+W)({Wd3.Wa`ZqZ})S^oм1/^4~aY,+m`ڵkI&ZvjڴiX,z>G0DEEiڹsu?_fDƍxbڵc~}nΝ͛U\9UVM7>M6=Fŋҥ-[^x\/_$qW-z^=_Pt:J5uT=C6u>^z%}7rE>#׼fa&Zw}gw~$)SF 4І ta|r{9ɓjӦmۦ>@7~ҥKy7lؠ͛7M6Zݹ.sioTpI? l$MZ.ް IW^{Lp'vZsycL#W`1_~dgco s5iD .sСCtRuQ{ޣuM@ӧѣG+;;;\sQVԫW/ۺ{㣃*11Q'O ZnSգG)SFUT7\mڴsg/_։'G[nFa3dOڷo#G^S5Ծ}{UREOݻzj;V6uI;wVϞ=UjU]V+WT5f?h=ŋm]}Wѣ:t oooիWO;w34m4Py駵l2WTI/ƍF[nR߯y˚4iu^~>s;wNqqq榾}jܸq1c+UVa-[TXX5Q|ƏnM 6;uj޼w}9sݫ/?5o<}׮]uVծ]['N:ܹSҠA:PwxS? s1b[1e˖55k4}1|MSfMsm8j)S(##CT^X (F72?Zj<..NrJlRRFw}'777C&MRٲe#55U~~~JIIap P*???\r7R‘盲 SRRbbbe~~~jܸ%I&#777[1QVRR$)((Ȧ<((Z *{xx( ƞt[_J233Y$#%.ƏѣG)MDϑK?kU~}k'N3gX'!!ACNMMUXXʕ+$<<\Zb5HMMպu3H 6AQjܸq򒗗Wryx p)Goʧsi͛ʕ++>>^cǎU͚5#G*44ԺRVddڷo'|RSLQFF^z9wS& Zje};,*..NӧOװaty_j֬,Y"ooo1fզMG4i'W*Prp.CeH@ !2$ \ːp.CeH@ !2$ \ːp.CeH@ !2$ \ːp.CeH@ !2$ \ːp.CeH@ !2ΞܹsڱcN:%Ţ;SjՒoQd߾}1cϟm۶);;ۦMuQ׮]շo_UVHPj={FzwUZ5=ZfEi̙=zW{O5kTϞ=}" <++K#GTxx|||Tzuk2Xc4j(G111ڵkWqW|A-ZH111(L-_\SLQzteoɓ'kƌS~7=cs='I8q&M3f(<<\#GTvۻbo߮Ў;q]өS'iԩֲ=zG3gΔ1Fz /HRRRӧW^׼FjjrY@is`]o!HIb 矒-[_~Q$SIJJRLL???5nXE 8 Vq>|RSS!wwweee_Wll$)))Ids\PPjJOONMM3,33FPj8t?hԩڻwΞ=GtY,ٳ_h֬Y={ԩ͛7+>>^s?^GSȟ#N% ?5|pSTT3+_|QÇ刊ҁ4~x)88XtqX;~ׯo :tujjT\9EwQ֭n+rNaqwwI`XšpjݺuzgK^^^y=<<ps٩gϪgϞ.O>$szUreթSG6mқor~kرYuPup2s΢P}]9R>N8P=S5jͰaty_j֬,Y @1)> W۾}:tqƩO>EM}@9\Sv;vLe˖UJn{E[l)d7q|V^m 2UViZhv!mV:uRuwU.*X|^G߿_ .ŋrJ]|Y 6ѣծ] G8ΑBUjZhΜ9A:tPQ_ @ S= = |#B{83fh޽:{g,ϟeN% sQ\\233/??mڴ" P H\\܍-U0 @RСC뮻ԡCM>]ʷ'm۶[:[K|_߿U;1FgϞվ}tYcǎZr5kv@ QextI-\PڱcN>-I TDDB E+ /8G;sDu=# oY15jBBB㣘ڵ#nm%69{6mnM/_;m&NI&iʔ)Znʔ)vҥK9p*C_UW[oQhhy iի5,qj֬ .hǎUʖ-[ڵk۔EFF믿$K?kǏ~v%//<(<3; ˗ս{w5mT/&MCMm۶;%մiSܹӦ?T*U$I ֊+ZnoHL T2rH-\P'OΝ;uZz5|gȐ!Zvƍݻwk裏4`IbQ||Ǝ h֭۷BCCյk95hΜ9zgԿ>}:O}ddKg.FoUBBƌpۊ6lΟ?+99Y͚5Ӓ%K}CbP0'N(***zwww]pKSNԩSEcƌј1cnX 0ر#_U5jpJ>}?TbbbH>c}۷s(5,ʙteuY?"##+**JgΜÇձcG͟?_E8<C8p@N ds*y͛7B PM}׮]pBPz85kҥzTvmY,<ժUӡCRĩŋ*_|iiiΜ@)TRvmZ*y{qJx͝;WoRRR$Iڽ{}Q%&&jȐ!E(}@^u2(;;[nnn2McǎK/TTsH6">n[cƎ\JB' m۶UٲeeѰaԻwo{6m,ʔ) aÆE, Htt%IϟWU(}dҊex9\1cb_u.HA,FY( &Ţ/ӡ%v- Z&L >>?C* @ʕӠA X7GpAjժv͚IgKIe˺&6J'OVJJZlnm[oSNѣ7o`}7u\)KܮY3)++g:p*57> [KΖSFrMln}@JKr\k$a?H@nbRzc ;]v n$ 7+@)*ʱ͚LBߺP AVbW\)l3 J9ð熆rkHKqGgRڶəD~ rVrt$y{$!km7s~PRLZz≜!))gUBU(\"IҖ-E+@qpA:u*/J>>= wopAz)gOM?#r~V_+0VnF7JBsz.9C>L#=.r&j&ܼ B^aߒ5ӱ4iIio奬\ IDAT2Z MMK@LQ@QDQAq`.Yk^C0˗ebA*㷟;i:m@F@L P\ tHw^};6nO='1 0 c]\L·v?dJ m].{G@q2Í*gx}`# %,!ٳݻ;(Cbl駁ILjiDgR`͚5v0 0 `*`ʇFy}9p0OeU9C쵺Ȅ䀜=K1|E[|R E'՗+ =4+/Ç/?ON>XB>0 0 h!R-a ._J ̘ܼY]BUQN%)+4iJ [{b ǏӻA r"89s|xyu%Hk֌&Zʢ)eFoޤJ_HO9n. 0 4l_'[Ão v 8@!Z]G@m4*ub 'NBAUBCs@.^=Txy.A:F>Փ;uw}fa6luDD3͛)u.Օr>_!(]||; (OmR"!Bv@_z5siS5iBC9 vvbaa\ukz5j$ȱcf>}zĉzMKAsCv@<=k; FZM$?jMz+Ã09|rk_N%}oaal܇ܽKaQڗϟO9gg ">7nPyC"#lM@ثöpz7$ Kn5ҨV;wKd㒨>ܙ^<0 0TKBRE-__wϵ=pߟ]FAi {>bQ=J m?6]x{?+59} 낿?V^NH# /0 0et`㶑fAk$-F&6սN׮,_N-/d4JX/-&9 v@N3g)F@RS P1JfeьRUհ 0 ԝ*G)**(ﶦr* 2%ii4@mwVJWkW(MD5Il3Qo3%Hޚmᔬ$ œsHxyjgT1pp~AKC0 0̣Mz:PVFɱcmGF6j3l3ٓyEnR'Rd:r"M`HSF={yh׮E/Lseoor_Z텠IMqqڶެ; 0 c-$%ѓ-kw$'!0d2»wox%C7oCcׯyҖ/ gѾ}5F@#gqFgdМmi/Aۤ ]a,aXyytWV*`)ܙK2 0p$aHNF@w"gуg֬!'?u~I-dlB{l 4nLkG#$O΀?$||B6lΥҿưb嘔eC*`IU  ӽD`,@]Tz70 R 0 cM6D3><hUMye?5xYiv@ @_ڀ)5E<Ǧ: rTVM70 0Larə5c''O(H'Oݣц; ƌ$&3Բ沈 l6^V f?֖-m׬qrZǢ^WBR;; M[D]'#,/'g@{N7$Nða[G朐ƎRi࣏(j %%ш@'qqC>fd?}GIRD~>EazU’]]Ъ?P?|)64ANe۶۴k0bp PRE'KxyїV>ɀB~<9M#NS?aal ei~yh4ɡ ={o'%KDG믺nnܺU=%}j!!4RSsc+`__M~儼 tfz;mWfv@Lq{wv!hHR# ^^4QXhvSbalb``G eDJn61znoOeAs{ yEsg 6Ԧ> H)LNPȕ4r:v},rCVmwߥ矧dUsէay 5+`I@qw!;'j,0TJwrQJX 0s'JQ (`*QI(wQyYmjFΞ''冨hDBjSILzIu!%iiOhTn||(MݱѼMDW5ۗj+{HZ]Kx`aXRB%CN@RRdev@.^=I!>MOjN>a\lJ Lח͛iĢ[7 -9y&+;Vi?5Ҍ"ͥts\F$DPWؒDDUR,.!ىhh?;@p:}PDLrܺE.Dj u dDh Ò,1R7D "̤sUU{ ?Xk|0 0\D9 Rѣu q FоY3*[3$)59dždd:}iboaVF%fKRRI6414ڗAo6ПDM$4ڈxX ˒$|}`CmBŒ *&EշfϮ[ ; &f%0v2TSCNĦt%)uOD߹ xC7 ]70 g?a۔x>yC1$'&"!_חF0ӧYRNt4'?_sY%Ѕ0.]Ԥ_?r%IM*VMtA몀%ѹ!XJ%l0t.aaԷl0 0|%=V7 '_~i{4zҥGMH>_.FDt¯6f QQ^3 r+Wȉ(,4p›m?5\ E0ԑ2>}](1ȍ ̙þj#a# @Y5͕.O·9@$,\ )LI 0 c }%!sz0WsTϏf^Fj :U{ȑd :E9z~ٶ-е+E#?0ϧTVҹpt|`^>>}( e`>a(mڐ-]iux ggg?UO C'Y1oUU0r6͙RHq1 AzY{WZ 0 cj~F%90 t}sh䯿'(\SW_լ@Çշ/٣;]s)`ڴN.TPJ@&BAaXdX7Dܘ~ }'kPU6u?v@k̙3o&N> :N nR'\ܿo^Db ٿ6!p! 9a4[BB!1s|9?QlO}2 2tbotvddToF)/? ,/r*+-HbZ?$y>RhUm# G9;v@V\iӦaڵ+ѤIlذAVgJXNN@JJVER759/=P(~t)w dqRga9{F^w֭ r,bciB@]LFaI4W_Q#G 9aiY] ԟ~*Q%(}Pb}V)~4W>No]28']cH `aOh@ZBC1ma[۸f Я١OQЧ7 -(+&޵R^^vh{Wih:vpt1vСn0P;zz!~~vxqw ZзիС~7j7o>]c%K ..Μ0 0 0VGVV|tuYHV`oojhmm ,xyy!77.MLii)<<}:]3fxm~,ƍfΜҽt֮]<|k:wk] @zzꋥLv!.{umSY4lmnnnz?˅>yy5]Kfpuei2uTbz?.0 X7l6s@ Fnn. E-[UCTjTݸy&Zh!Dee%Μ9Ȯwj_5ms^O[ӧO7%(**™3gХKYG0KJJмys24jqѹsgˮ";;ڵ+7Fn] իWeչyǝ;wăBY\|,"!!A"++Kv_Up#bbbDXXpww]_ɓ[8991cƈBղ={ʦ{A*Zl):$BCCE@@\_"44TkN0Ѯ];*dՇlpႈ;vgS-ݻl"((HSÇƍ "j۶oرc"1|pѬY31`#nll(((BwUV"44TnZ$$$Ȧ(F%v-dөɦMpwwnnn"44TlRl߾]6ݔѭ[7ѬY3agg'u&Zh!ƍ'nݺ%DVVHLLfdqEt-k Qo} 'Oh?Dndf8I֭[˦!#_..\(ĕ+WBC6ݰ0,E˖-B"""BV]viܹSʦծ];t ">#$bccE߾}EiiBoddHHH_|7oB ,B}QQQѲ;SN+VcƌM{###ErrB/ҥpss8lz";;[ս:33ڹ05}GBн(//o?!.?0&r(=0aD [ _Uf8PrQݲe=&S_eEP; oool5eDhh())1^PPl6l}OVy{{˦'ݻjBRmY``lαcĔ)S?./6m$yҹԼfϵ 5} ذa"..N !DAAXd2dl;w.]Һ]6]۷ ???)hՖ=۷ؼys>WUU7>}Ȧ-.۹sg{ON:ɦ@N\!ŠAD\\;vUO!DjjHIIѸwpKb֬Ybb֭BTlĝ;wE~dիHKKGZGBq9Y!!!ܹsB!?. Z .?0&r(=02j :/2ܹA/{EVr }둟'ZgϞѣGQVVcǎU3Zʁ#5M6U-3|Ά/7nƍ999زel'N׵.1clÏ?XmXt)e Fii)`,4kL6M6aƍpuuE.]ХKbԨQxe#FMK.駟͝;=dm۶i&U{~~$T GӦMѿLrr=5 GFii)\uFqSb ١Cؾ};bcc>lBK]Mbʔ)8zlo6"##1vXl߾ .DΝ7xCV݈੧B\\ڵk߿lZ–-[T*UmJ6m0=K.iڶm+{}~۲_:ɓ'c۶m7oz-TUUAPȦ'q}9sP(l*9b?s,5***kaÆ puuENN1p@];vEgϞHNNe ;;;l߾]ecݺuxge駟0aj صk k׮af} Z QYYJٍԓ'Oȑ#P(߿?BBBdՓ0wr( \rEC7//:tUf[jxzzE̙3ÿ/Y$ BOOOڵk.HèBdd$z%ލ7jjr.\+WPYY WWWM6j ++ yyyh֬Y{L>NRU5G^Yt_~e<3X6c ˢ;vXL>Æ ־rJ̝;#fJ;wj<ǘ1cˢ+!ʕ+7 ''Geaggr9wwwܺu 8},uy)++ˮa"))Z\ܼyS$%%ʈಲX RRY:%={֦tuͮfVݳg6\׳ԩSԩS*Z׺L*bNJJJDnnڵkͦW21~f@M`]Z* uͣkNe]e]Sb˺5,5RSSu.:tlqkݚn;8p@֡I5nΝqy..[~Yuk ˑ<ZYՖ${GWJ|UJ[l5uYuYXluYW_,UNuͣ;fw^+VBnffx'EDGG:.벮/nMxD f5YNuͣ}vsYԩ<"\|֭[˦ɺ˺[luY&0 0 0aa10 0 0 c6aaal0 0 0`aipx{{cҤI> aFailܸ IIIZGEE[nf>*a;0 0 0 c6aaP*> > az0uVqpuuų>YBWETTT:B۷c…С4iR@II ^yxxxQFԩ EKM4Att4Ξ=ux{{cȑ8tBBBиqcСCopvvFpp05q ݻhٲ%"""p:5ϯĤI BW/5j P^^7|:uBFy桼0 cI,} 0Lܺu ׯ_hF۲e˰h"`ԩ(**š5kd4o޼No sEyy9p] 0yyy>}:<==oaիsXt)Ç2dS sa0a}_tI͚5ݲeG/cǎ=aK!X 018޽{[(JWv:ĉѸqjm;wDѢEjz BUU~WQQQP(W^yEcHt}Q}|IaFn8a ,, !!!A. !ѱбcGLj:ںukhd:N<<<߼yn !h",ZH~[oaGn0l0j8Ơ뼟;w^aR0 cE(J( ݻ{1TUUiݶ臤7x`̛7O =tBG[ !T0w\ :T뺝:uDFF"++ =ߏcժUԩSyNUU}:Xrmj:U 0 v@a___!бcZ-ZD=''>>>ݹs 2X|u")ttl黺bɘ>Xv=/as# 0V/.]  ;;cƌ?K.!!!/Ν :u*vڅaÆ!&&YYYغu+|}} ݻwcȑ4iQVV3g`׮]FVnۺuk̝;˗/ȑ#1|p$''c޽G|Lj@`` Mr RRRP{TTꊤ$ڵ /j_?rJ :SLAaa!OVXر3f@bb"뇪*cǎطo֜!a; 0VUV!.. 2FR7tPX+W+ٳZM4Ç;`Νؼy35kũutR8;;#>>1bԗ]")) qqqظq#ѦM/V7k,޽Gyy9tR?QӥKl޼/Ɯ9sеkWlٲ۶mSMXvvvj*l޼ hҤ |||/,aFB[&0 0 0 p0 0 0faaa.$U^!yIENDB`