| Q1 | Q2 | Q3 | Q4 | YTD | |
|---|---|---|---|---|---|
| 2010 | 3,225.8 | 3,247.9 | 6,473.7 | ||
| 2009 | 3,258.5 | 2,775.7 | 2,869.6 | 3,203.1 | 12,106.9 |
| 2008 | 3,244.7 | 2,956.6 | 3,195.0 | 3,224.1 | 12,620.4 |
| 2007 | 3,211.8 | 3,047.8 | 3,244.2 | 3,313.5 | 12,817.3 |
| 2006 | 3,203.4 | 3,064.7 | 3,315.3 | 3,199.9 | 12,783.3 |
| 2005 | 2,915.8 | 2,861.6 | 2,901.9 | 2,976.9 | 11,656.2 |