PNG
IHDR x dN sBIT|d pHYs a a?i 9tEXtSoftware matplotlib version 2.1.0, http://matplotlib.org/mߕ IDATx{ed8Z*URƍ5l0m۶m6lؠN:\N:$}S:`1cLqocLb;ORƍծ];͜93鱫VR]Uzuq=ܣ?X*VXZJwq*W\4s7߬38Cr*Tɓ'/ԧ~#F9_~4i
C=T&Lg7xC;w.'xQ6m櫯VPP|QjjjSI߶l5o<ԩSs|Q~~~EQԳgϨI& OG^zv[$)?k֬h&)曋ޣG(###ڸqco>h$)6mZ:QZ={/*W_hӦMQEwI-[M4ehy |rׁѺu]vя?X7D/.mĉ_Wo֭jԨ]tE:g":`1cLqpc9@IMM-5bի7n\۩-[gojҤI=ztiӦjҤIRRRԻwo髯*}ҤI*__[JtWhΜ9Zre
4Aߴi$^zE~Ȑ$wu7Ʈ]f͚ZxqL>]\rUVkUR7Pvv~}ڼy^~j֬USy9q8@I)~>S_*o!{EQI&6i$իWOsNou\^xAyyy%>1c1?G,cL믿ֺut1fر,XPl߾]\sJq{֮]+I]vo,P˖-;U"HNqj;wVZW^yE#GTua999)rm۶[^WXQ۷Ǽii:\r~W?J*݄;*77Wyi1c5Ƙ2MvzJFF֯_<k1cS.]ۚ5kޫ$^jݺy
2D:u*o߾zJqѣ>}Fy={9Y˫nݺE~XjժUg#3}j۶ntiiiEKJJiӦi̙KboOemܸoōu`Ձ7Ⱗ1c1{5Ƙ2e;)ʚ5kTfMjʕ(;C/B<Z^ZYYY֭[?*++Kׯ$s9E8pk1B4j(]z 7ٽJ;fqƩ^zկ~(;<+WiիW^m3km߾]֭+{~~KhԨ$dhnnn1q8qnepO:@\JROq徬c1
k1eC9Duw{j߾ӧO/bo>Ckյ^96mjѺ{~*|
C&7ЦMl2K7|۷?(Iڶm#;;[v'۶m
*h
6|qϟ?_zd|W4i"IZdt鲛?W۶m=u}2'pwu .ցI;ZJ/rٳUPPPdw}Wjٲeϙ}Y1c+Dcx͛IƏ6JKKVXQی3"Iرco)S_6mƍGSL>#{.*W\tGI;wn$)ۺukԢEKgϞQ&MڮHRo}РAhܹ{ɉ:vUZ5?~O?=Ȉ6mTc=INZ͛ŋG~moQ͚5^z9%\G ywGe˖fΎmVETbh͚5ˋ֭wq֭[ئLIF0-=S{OŋիWڵkWr-QJJJ駟sE_}Q5>}꜉(+uc1ƘdDQsUcL3f6lؠիWkر:stQGIsgϕ+WꨣR54p@VÆ
5oR֭;-Z}ԥKU^]wu:"N8A͚5+\)ShjѢ믿]Gn SOo_/ig)i]kFM4ѬYꗿ^{[/.rtIElUTQNP֭տZJ{viӦ7sLtI6l^7
0@wwٳg'ȑ#?7noW__5jF%I&L߮;OM63hѢE;tM7]|IWm۶U>}TV--X@պuk͝;7acկ_?Nip8@q)++KM6U߾}5a/~_餓N҅^Ei̘1+#}vuY-
7ܠڵkoVXyUV%>g2:`1cfc1iҤI$)?\hQtiEQ5/8Zvm}'Fmڴ)ֱǏOzJݶe˖hȐ!Qc^}o߾EϢ;/jԨQtAEM4m?ωgϞp QJ:uD(EQoDaÆGZjUX1jytlٲb3<3:C+FUT:wޕSF'tRTZ蠃6m]wu4;^t8@qig}FGQÆ
[n%GW\qETV(===:y%|3j0c11c1c1ƔQ!c1c1cD,c1c1cL1c1c1ƔQ,c1c1cL1c1c1ƔQ,c1c1cL1c1c1ƔQ,c1c1cL1c1c1ƔQ,c1c1cL1c1c1ƔQ,c1c1cL1c1c1ƔQ,c1c1cL1c1c1ƔQ,c1c1cL1c1c1ƔQ,c1c1cL1Lu*++kߊ>#uEڵg}Kwuڶm#8BO?tsuM
*^{7-cϒc,co`C)33S*Uq{жuV]xzA?$?
&M(--M'p͛W7oj5kn6^z=-ܢ#Gjƍ{sqwcUժUUn][K,t?#KJqÇ+%%vXs;vkNݻwu$I?zVZI;0}~͕W^ӧ'N;MzkI|ɠto=\UTI5k)m۪yzꩧ91@c֬Y0`Νӧi͛7'M,)S۴i5k[o%<$nÆ
5j(?N>duYO$y%I~ID(c1f'x1=zog]4RSSuǗ<999裏kw}o~.L[?t$-^X[.)ꫯsΪQjժ^z/,gee%֭Oٲe&O/ڵZhÇE;vlR
twiӦJKKSv4i$Lwg+1ꫯ_~jӦڵk &hŊzIG*TP]nǔ=3ugCU˖-5rHUREsΕg=JR:uK/͛O,1(N^s1Ƙ^cLaСC0@={ԩ/rlrtꩧjΜ9}gwQ=sͺ4|*W>lH5jTCgUvZgݶmo߮J*=--MoVҹsgV^^{:v|wyx =O4x`]r%5kV:v{ϱ1ϰs|͚5,)_|4hf͚/֊+v;$Oپ}{9mY:ug=|=S˕RcvR]cL٠c).˗/W
J|Pe}o߮z^z^z.mV5jĉUB&s-S>SmV˗W%3ػwouIÇ/jժԩ?WzjΜ9jѢE/Iw1W#F(##cs;Ќ3
?ޛ5kzKƍz45h@Zv4iR|1ƘHAA
_j۶mJG;N&LPVf1B]tѢETjUI%wwSNںuT)Sz~wO?׆
ԯ_XHss1Ƙ^cLa˖-y+W5}
Qre>/mݦw}W}]+v`?h*Wt-|I]~:CT|y}Ѻ袋{CСC,]T/Y|uQiiivě4Ƙ;ТEƹI>o]wLx&i?eW#wWq#(Z*^+uk1Ɣ
,ck_4֭[>۷7Ԙ1cvo)7|SSR4hmVE5m4{Py5k6oެM6)##C}QfJ|{2_rrr$I/9"`Kc~\}z饗oaÆc_=z6k,=֨QC-[ҥK%IŊբEIR4o<=7n\8sw|r͘1CcuI(m>c)X5Ɣ:|)?.e];LCMYbEuAz-i_]W_}u;;;[K,ѣ>.]HRBOɓ'ON͛:\*W^ӦM_R?ߞ̗֭[+55U+V
f~ʢEaXćLEk4e͜9SM64:uua.''G_~.RIwQPPPدwF;~xխ[W={uL2~%\c1l`_)l2-\P5kTƍn&};ryV[ʕ+VZE~3fL_]tuשo߾:cԱcG=Z7oe]Vg=UV-=#Њ+t79fѢECM6ZvjhSdL6MQUVZtnva_i|Z@;wƍoZj۷oҴgiV1ƘÀ3^PժUի.)ȒRyȐ!ޱWְaT|y]tET~7QrM7Gjܸ~=39sMV~wO1z۷otO$uk1Ɣ"c۷o0]ǎ~8yN