PNG  IHDR8*EsBITO)PLTE@ @@```@0``@@@@`````@```` ``` @@ @` ```@ ```@@@``` @ @``@@`pT&s9tEXtSoftwaregnuplot version 4.0 patchlevel 0 on Darwin 7.9.00X IDATx뚬( E;gy*o%HGvCЪ B!B!BJs>y}+IKb~J2 _G%ah&-Sˋ`en[BA*{{7 à t=~bPt*  !B!㰔v"hă #~w۷D\P ?c[0o@ݤɒFRmfph҇%*Nt8%/slzR r R^CAo^nV[=^u,i$fj&IƋz(׏ER͂"A_I: R%׫#jJXkA DzӻEsLC9%L̹MCAJ8{\I{,C3ATə(V>ճPmc@j;(H ҥ> N`E;Thf'dS) =֓y{̻>.S_(Gn+3$%KC(\m*nF2LIR3 թ'z?ߣ6lܖAXgW\j0*ѫ t\u.r&t n覧c\QUWUgúv 2=Z 2[]));! x!LTY 4m3~%tSek'N@F`' mЃݞf^U* ;a9?Ta /$z.1o;ߡ*Ӈw5B:A-Gѧsf1%(bbc=(vM"A1A^.< z*龻?)둫$AI~P:묃͑F%jlP-rxZz:HAFUjg~$8$ܯԁGr=(TH[mE%IϞCQ'VT=RSog>^!ȡnvAp*α*-oz&]O>9<g@_ f9CVq;1a|Wfg3\=Dn[|H{;'G4s' k' Qf;sj 9s5nHP7/讃\)͒uE=Ne)ΥjdFnG=Ur&Uqs[M7;7ϸCiVC; QE*^i'J4%x'ɧw=Z̈́=iipWr,ȓం\Qs rG]@A>r&9N@ncamfG#;Et]=%•c0TlǺ {qzΊ ܆#gLeNAvp y@Apzrs 4;M( ک ;Y- =L m. +رnB5hG]۱ݠ9Ȑ033F4ʔsbA^r&| Np-vOA,BKp'5ff| zI{ZAorN z/Ђ.gW|eN4A4sJD;`<9O `)j 0D9eb: ")=LN}N58D9bwH  p(  p(  p(  p(  p(lA@A k>ZN~Cj@U\7-'#h=IAzr/ȩ5ts(mQRB!`ˆ9@j jǍZަƯ}d|m [5@ނ|PE䛇Du ~diQlj -?⻧GA vIyRԂ+h%i?_%\Q'j>EB!B!4 sl7IvO%i:{DCXWRDN>p 8!rnIENDB`