PNG IHDR t sBIT|d pHYs a a?i 8tEXtSoftware matplotlib version3.2.1, http://matplotlib.org/: IDATxy\?i6ɖ"![:%Kfd e$Fvƾd1̌f,0d+P(wq:9'q}u ފZU@DDDDDDDDDD1`Hp'""""""""""R&܉T w"""""""""""`Hp'""""""""""R&܉T w"""""""""""`Hp'""""""""""R&܉T w"""""""""""`Hp'"""D Pܧ<yyyXblmm|rٳg7ozTV ժU-fϞ{_dd$SSSI&X`rss=憖-[U+U:]vA$رcRؼy3ѬY3ɓ'?6D"+رcX`z###D"8::V8_ŠA`mm CCChkkGF\\\c*3ӦM.**O$PA}jgϾ1T"''ݺuCTTѩS'<())JqZl cccڢN:x:u|ogm۶VZ!<<Rc 4>RRRp% y?(GAA4iڵkR}>>>>}̘ɴ/Y¤?.Parhժ֭ y&EjLe0##VVV2dv%7""""