19 May 2007 9 Jun 2007 13 Jul 2007 20 Jul 2007 21 Jul 2007 11 Aug 2007 3 Sep 2007 31 May 2008 7 Jun 2008 10 Aug 2008 6 Sep 2008 20 Sep 2008 129 140 120 119 116 129 131 136 137 122 133 137 +58 +71 +49 +52 +45 +58 +62 +66 +66 +55 +66 +65 +58 +13 -15.5 -7.33 -12.5 +3 +7 +12.8 +9.4 -4.4 +4.6 +2 +58 +64.5 +59.3 +57.5 +55 +55 +53.2 +56.6 +59.4 +61.4 +63 +63.6