PNG IHDR ph sBIT|d pHYs a a?i 8tEXtSoftware matplotlib version3.2.1, http://matplotlib.org/: IDATx{\?Ꜥ"*P3Kt1gc6asI9LK!JQҁrUʨ͞ݼ_yޯ[DDc1kr- c1c쿃c1X1c1l8a1c5N@c1c͆c1X1c1l8a1c5N@c1c͆c1X1c1l8a1c5N@c1c͆c1X1c1l8a1c5N@c1c͆c1X1c1l8a1c5N@c1c͆c1X1c1l8a1c5N@c1c͆c1X1c1l8a1c5N@c1c͆c1X1c1l8a1c5N@c1c͆c1X1c1l8a1c5N@c1c͆c1X1c1l8aH${u}AXXX1ؿ' 7.)) χH$BzzvUVpqq'=y3g΄TTT۷8jjjxbXYYA,UVѣ~Wvׯ_G@@ vaɸ{Ц 3f̀ `ddܼys'"ڷoӧVBBD"JKKվ|Ag1$N@coƍ1i$?~_k9r8~8G֭[B{nZ .]Ç1|p$E_}/_EŋGPPk[nr ~7\zkE\\p= 4̝;iiiؽ{7rrr<<