PNG IHDR t 9tEXtSoftware Matplotlib version3.3.4, https://matplotlib.org/T̺ pHYs a a?i IDATxwXW{TD\Qc/XXh]lDF{QbCD"H[yY&^̙g䙳ϑ VA@DDDDDDDDDDT0NDDDDDDDDDDLDDDDDDDDDDDj;0NDDDDDDDDDDLDDDDDDDDDDDj;0NDDDDDDDDDDLDDDDDDDDDDDj;0NDDDDDDDDDDLD"cA x $ <==:Q N<:TRׇ-Zj+{=mۆ=zB 066)j֬e˖A&k @Qre5kU8{,Ə5k ([,<dzqFH$;vLmpZjŋ5jƍ3D̙3*dž~5tuuQxq4iwV+<<