PNG IHDR t sBIT|d pHYs a a?i 8tEXtSoftware matplotlib version3.2.0, http://matplotlib.org/y IDATxwXSw@(" ʐu8puo*ZкUV(8:Dpʐ_RcxYs/'=s%B"""""""""""z+:% ǀDDDDDDDDDDDEDDDDDDDDDDDEDDDDDDDDDDDEDDDDDDDDDDDEDDDDDDDDDDDEDDDDDDDDDDDEDDDDDDDDDDDEDDDDDDDDDDDEDDDDDDDDDDDEDDDDDDDDDDDEDDDDDDDDDDDEDDDDDDDDDDDEDDDDDDDDDDDEDDDD%H"ֶPD"AxxxIR$!HA_PĬYЮ];B"UVy9w.\^zrʐH$H$&`5bccd8ժUSOdd$F033C֭m6! Kdd$$ V\T 6CR HyfcbꫯвeK)S@s'>>FR)QڵkzzzX"<<