PNG IHDR 5 sBIT|d pHYs a a?i 8tEXtSoftware matplotlib version3.1.1, http://matplotlib.org/f IDATxwXSo6$V@-juDqϺ:*ֺZժo[qiQuZZUlℰ#䐐A s]ѓ眜dngc1J qQW1c. c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c1J c ֭[ k4h ֭{`@+EZn B 00y>ϱc j-$$/~)jԨ2eʠRJ3g3puuرc HKK|J*L2Y&֬Yc?ՃT*=|}}RХK:ufggXQF b|7&0qDxyy۷͞+&&ݻwG!pEׯGӦM///6Ϟ=XG=_R H.=ٳgѡC:t+WC$}MJ# c7o7x={,*;;;رϞ=cŊYfԩSBTTN