Q1 Q2 Q3 Q4 Total 2004 34.7 36.2 44.5 51.3 166.7 2005 58.1 63.4 61.6 55.2 238.4 2006 74.7 84.1 96.5 111.8 367.1 2007 148.8 142.3 156.7 186.1 633.9 2008 120.9 106 226.8