PNG IHDR t sBIT|d pHYs a a?i 8tEXtSoftware matplotlib version3.2.0, http://matplotlib.org/y IDATx{\?,0 ʹ!Eb+2F33cfs>C9C9EĊHH~u*nmzr~%B"""""""""""z)j5 ۀ w""""""""""j;Q5`0NDDDDDDDDDDT p'""""""""""LU&܉DDDDDDDDDDDՀ w""""""""""j;Q5`0NDDDDDDDDDDT p'""""""""""Lk%H`ggWa(Dϸ8|7ѣ+8p F'''AWWM4q2>|SLAf͠888`ܸq|GW6;;;H$r? 6T:722ڵ!˗CQX>@oϞ=:u*:wcccH$xyyD̞=}xʳsN߇455aaaݻcCtt4annؠO>8v9993flmm [[[;