PNG IHDR t 9tEXtSoftware Matplotlib version3.3.4, https://matplotlib.org/T̺ pHYs a a?i IDATxwXQP * FsYQW*5欫bU0T*ĩH<\tqZB7t DDDDDDDDDDDDDDDDDDDDDD w""""""""""L;Q&`(0NDDDDDDDDDD p'""""""""""Le&܉2DDDDDDDDDDD w""""""""""L;Q&`(0NDDDDDDDDDD p'"""\nݺ$ E$Ipppt,]zBɒ%Ipҥ?D `gg}}}X[[}8{lc IR3gdե&j,~~~Ɏ{wCś7o2˔)S㯿;-*4