| Date | (US$ Billion) |
|---|---|
| 2004.10 | 235.03 |
| 2004.09 | 233.01 |
| 2004.08 | 231.61 |
| 2004.07 | 230.40 |
| 2004.06 | 230.09 |
| 2004.05 | 229.00 |
| 2004.04 | 227.66 |
| 2004.03 | 226.52 |
| 2004.02 | 224.80 |
| 2004.01 | 214.93 |
| 2003.12 | 206.63 |
| 2003.11 | 202.83 |
| 2003.10 | 196.61 |
| 2003.09 | 190.58 |
| 2003.08 | 185.67 |
| 2003.07 | 182.21 |