PNG  IHDRsBITLˢ0PLTEUUUUUUUUUUUUINCtEXtSoftwaregnuplot Linux version 3.7 patchlevel 1 (+1.2.0 2001/01/11) g IDATx}HuA$ CG1O@ߡ"Y@vڡ i50V^zkVf*\&h$PSYYY7f̘1cƌ3f̘1&pa֯5'wafF88k63tX6NEi}Z辶p7Rw }uJᠢ8 K>o{ٝ 5Z0蒵Ws]rm[1'mEQ 8܂~R#&)9)4؅ǸOprҞO?p.挟jLq~d}rW |$_?9R׸7?]%hI*WT *~" Ef~ %XůV\ OnF֬1wnF^YE3mwCw4ȏ@sA,KHN|ߪrJ0{{b#[@TgQcEҔ+ v%pwD_h:RHn8A)( п4 nH/q_~ A@zY ĔQFTC ȊdRȔB ^\K 0wM+鉙@HjOJ Pʲpw1>p&Q|\5 KIɒ -)`ø$ 3wL KhH|!wM1 0 L*2`[DUZgV @hS6*ʄn%6ŝՅG\n[=Xa-#L`=fJw [6~ t46 [p-Y8;&PL` ;%0Vq\fv,+ QT S6B^ lJQ#fa E=ϝ dϲyL U=gvm!{  Jm7ݰ>E qRToYǜ@z- +PW99[UH j6O&.DzY~V j 7|3ykeպi'i< ;%0-5+OmC 35-r^`&-uۗRR7aM hGbȳy+c)R`h'FqgR|`/E̊gffY [̒rg d b//w?F!4o]ȀC@^1s-^>ȼ1H锰a# 3N!///*9KԬv5*}&n3~<1PZ<  0Λw={,r|?rrPcez PmNໞM6Ub)zs8 d*_gӉkp _!NgoS1 xᬡ뢂2CaxxzzoVhT8;-񀧄+PЩzUzm>=4:Jߞ-ݰS3q~7n`R<p4mqCjsJXCt:$ؐCccL`3#x8+"}yIĺ"2g"K~y ya-p[X$ߑ[t(A/)@"m`qsT+0ya'wpN+&rr~7K`&KLnY(Ё(5dR}g"%s \H LӞ%p094fsy "1vo- l,!@Cl l|>V\kK8hVR UTIRn/QFkr׳{8xj뺠lAiuo*c]stB,B G058hn+,2d*."J[~ac=G嶲oPA$9 ̠h4:e_`fR ϱk@jE02^/M/J-%~Qy?B#ljLh$D{y5Ia؃*慝qPB`?艨>tDNW~=QO+KL̔€0v#Ȟk^(ҮL`-U+ d="S@>/Agqy#9]ʥʬ]ChW}8V=3tFKiHKic={]@c)k?$A>c$}Q '&FNO}n;nr(U}^& F2uP :.tWi>SK{ T4Qvj":{ c%VʆҿI*T퐸G o*%zVD4+5-K"?FE:^b+)I7U+jë_O&Pc{nH k BpiGQ(Heɍ^Qģ@nW.yj|O!){x)ӷgh Պ6&+@YIK%eYn6t7 H?_ԍ% 0@54? ͜GZ+iuW`DHs* V [67k)p59x<3骜Β^Φi֍ Nۨd?P 5)麰jQk'p[`Ƙ̗4Dc'p|?Vx}pWiK?jY ?^ ^WGT4GjVBJyFJea >&0([dv *;;( #bqQ^)m oqGQ@y.9n%Ti饰<6Q軇+=ā]ޤ'ڳ".4͢hu=XC}#&%2u$8@H]B[0QX.PIE2H{g78N*HSBXG{@ MjJIL-3SW?dyme4Mv2V@ MzqB 5UHa.\zH K+@R%0ꆡ@&)K”~J*ՅvowIMm#L =NK̤|oMj-%\̜y% [ ;{n( 5740)cSVʦ& 6Axjĥ~M&d3ዞϙTtyވbwli+J9ذ`2[ՀHN*Fd@`5U4@VV' IZb^QPeЙ Nrgz/b4DҬ@SKi]ߍJ!wվl t%J. K$*'X'K`m8Y8!f4퐖f0:qJ/UL~N(Ҍ¹Tm` xԢ4) VS Ca̼ǤKfyߢnpYMtihN//L~NOH8_Q <ԛRTWx#҆"7 6 ] wXܑ:)+MɸT#'S.0jt@ i1 #fɄIq EpMFK191];:w_eJ1-]Ts@|P ZSf[0.^h$+z^"Z9vB`uP`*Q?Wfמ6c}K°哀ŃV 1B]oV'FhHE7 ؗ牵;[n&2mMI#0.60VHwM@9:H`= .wL X2cnV1@sb)K\ ?8Nvh HJ#0XĔFM 7љ{,;A,LH7?^lR)] e s*Qk'MμhZd1"ҭB4 \HU󙲯M`F*B$,yݒ2/2T"e] tW&(bBV{cL'2} BYvD@,Z̸_W 29UɝT.!ȸ 9t] 4~KV"iE^|]#'E 6Zyֳ-EX7҆1 lªoM^ԙ+uSh(7! iltZpSӠȤ]|16?BBQ-(pd،.DDn/PECzc`ՍT-8h+cjvGDSfJY\{׮`q |Ndž9W"pH%!OYcXVKFȅH0mI@'`Lt77k UV3=`X 0k qv6ם@)s*P .mz|Ōn&&k±l -Y"]:F];n]WhQ16Eg),bcUȩc W4?a+EFU@@UuO" PF1 o:4rU;V!څ;S9K9ϞS$ER` SD'cI`src -ht /ӡL-r)Ie,*efe9@+.F s2ßRAB5pt saAc4Mal+0yG`Zu®@- I H&@ L ~XuU{#l @@BMѭha*יQ2q©-廱%}D92,܀źwl|\Vy%XH`g4uhef6ڂM\@ eBp `ؽ}~Z\wp .MB`OAl@W PEYà"ʖ=R(lq4(Rb@*nL<Iw@^V&ޱap"UKf3#7>݄uhQf7eVyQPJ!7a5'yL~/pE}lF ȯ"x(r#$淜Zc;LS^ka@jf&.Ø=JV٨[?)ALF vs$/g6EIZ8ʐ];]!Fۘza$M_;"sשH@uq, h'' T fo@+X[ӛ$F82- ]= cl2l hq7Ԁ,M-jHL)QϏIWX(#ILHF6ElU{0 l '}p..{,MuËͦP@!z+J³\ {Mff$+œ`٫,L!P1УbIDATû+\'  J @f#>`p\_sh8vd;__،ZjU )]ј^ mnM,޵+K3y57,'8 ȏ1x>AV`X 踺TqIMI~hR ǏΨd:U gN{&_Sbsռ / CmW^lfx JYX!Iˤ,_;3ۄBG8n^P\F׵W 5]"_Jt*$0 eL]d`B}psaÀE`횄4>ds8D]/ɻ M"??D3 z0~Y6F61xP#1DHcy1l-2=!ٗDBQ{z).c@[ny~l|~,L ag?)/̒M60 yijBZ/!ϟK.(CpYUހZ~-D6 HU AG3gSӶ9WJZF;-x UyZCUş3k7=ig.i#Lkgu/IϵDt\a.A"hChD)}۔<3ѕCPk]aEz;Ww?j.9!4)",8|eeˇ+߭@2..a  R5Hp_Y&lR ߤy!/pSQm`=䓥Q0wͺtD@6Nks83})aTQ3qlB 44Bhkjn*r5]}6= |(3Ώņa͆62$`!B, 4클 +4w(0vJ Rs3͆5=tqan&,A|0=s+Zk66BWS/>$3!`{p{D u,6N`tRUl eP ګHd@b118̪GKS.H gLGgX8 @T`?~ 5`CH]XCN"idQּ 'U,ZV+)0T,?'"g2B29q9WFyTuk'p&)#s)ϗjS9gVWc Ԩ )LΒ[bpYYx>AR0̮¡i^mB5T,=.9BBҢ̨HiQHxQx5jGxbaS;tY.HE Mc}YWT"1IeUI^T@O%8vZ+ )B;f"TG{~VWDYlvS(BN-d\U TTܱ\4TkԖ> 2bQ)Z1FlF0㖨D>dM lRL:})ΙRӶ;܊+fݮgAb|7F@9fztV/c] 5bV$-wӅC{qxP />vJZ5ɢLE RE!L_63׏]Y,څ5asLG=U)7mBuv؜^plA^ ' TippnU`#oJ:`Be]\՚XB iCRushksg\ZxU$R1"KQ@5xtP]6P;.]^k*fᖇs"JHs3%r\-u!2Z&U`WҺwWcjR"Sv "O[3p`q N7-B 7+ D;i^0^n@#iM?l1'p1oPAc@EhŏA+CgaI LNٳa/9ݮ-֞Lm:[ʏpLYMUθ#Z1T`udk.?1^U,M͓>]O Ve\0^" p:b`{EO«B-  ,6Mh#``pV #-<#eacGZ)(VXz,F 9jfxh%/>JgN$9Q/Ł}-Oȼ z~7TڲW%ҋӢ 9! YlywWѻ3- ~ACKt(Cfg-vߪ2t99@ Ϥ4́k/A{,ꑎ<3>7P?-j^|`e"`V>iQ]8n__Y@:]@bM?[KAbVbq_&*,0`5G](p.2-Orn@T C!f0 Mq%G848[7D  wØҤ$S'082>F\&qEqw謗wgHi3(Z?;Fv L(0!EEf4\7hɸzK"y(FS2(ȘTSmT(ptKA=f]C00݌[5 F=6TS(5H @$[ȼmHkˑ(P BEUE=j#*͵B(n(lэVB%k\44/p MPBIElu͌\W0JDѷojE%!u8~]Nk׆"[g/4O` #p_+h1[M4|oжT]ٻ iv8fiѮ@Q}CQu'n R&<5q5{[ dzt,~n ?g"NշlA[e>.l5|K|\CEgyѿ6_Fea@`2]Fnw<+2vP@ llMToY͏wz,W\@ ܨkmd9W' 8Y|^NзlG3@@'563hIVE4.˴ lm}Yˍoz v~_ R 3ŏCn%H1ZeEfN Ĭֳ'n"ݖe7m)J:!/-7;9SUX 9~1E{) XRڢ@jatNЂ,  zp}Ch?F}8wXToE#FUkk.L1R%>'2*zY DgFUs+Ob`Hjub!NtX`"T !S7$ARrGVhѬaU-b%0)PLZ%ذFlFh3p-UwB=읚5CO`2+p f8PL@L@L@L@L@L@L@L.|x;L@L@L@L@L@L@si_w7 shH=ፌz&pY9{L\Xk~b~o@}z_k7Rg/bc6 ^.bSm_W@pVϰ3A*3f̘1%ZU+ +z%_z>:WU!t