| Date | (US$ Billion) |
|---|---|
| 2020.04 | 481.78 |
| 2020.03 | 480.39 |
| 2020.02 | 479.68 |
| 2020.01 | 479.13 |
| 2019.12 | 478.13 |
| 2019.11 | 474.05 |
| 2019.10 | 472.48 |
| 2019.09 | 469.49 |
| 2019.08 | 468.17 |
| 2019.07 | 467.23 |
| 2019.06 | 466.97 |
| 2019.05 | 464.43 |
| 2019.04 | 464.83 |
| 2019.03 | 464.08 |
| 2019.02 | 463.94 |
| 2019.01 | 463.04 |
| 2018.12 | 461.78 |
| 2018.11 | 461.38 |
| 2018.10 | 460.18 |
| 2018.09 | 460.44 |
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