PNG IHDR - sBIT|d pHYs nu> 8tEXtSoftware matplotlib version3.2.1, http://matplotlib.org/: IDATxycuɾVJW[EPdEeq t.P{oEQGgQf܆aA\J*I-*99U鮽:u]\9V*N}eY З\N { >F 1@ } c @# >F 1@ } c @# >F 1OOs:}J ɔ~$)ͪV:\ M6w|t } % @Gu|0 t_0T$Qĸ%^! `7n[n[W@> 0C˩2 c h3 Z G z 0a t @ D 0X z `^eڷ Z>@ 0ϼ k Kp x. ,S~\O=SrU_Io>hmGXV#IF,Km2N!%:] 8f=o×3vS'O pX