PNG IHDR A H sBIT|d pHYs K 9tEXtSoftware matplotlib version 2.1.2, http://matplotlib.org/5 IDATxwXgo2Aq"8q\ukWuVaZ[G]ֶVWjZƭ .TTPAe$$s]\<rrs[ vDDDDD'@DDDDT Q JDDDDT0 &"""R0*Ta LDDDD `""""*U Q u1yN;]EDDk$,HklQE