| （単位：百万ドル） | 有価証券 | 前年比（％） |
|---|---|---|
| 2025/5 | 417 | +101.4% |
| 2024/5 | 207 | -50.9% |
| 2023/5 | 422 | -18.7% |
| 2022/5 | 519 | -96.8% |
| 2021/5 | 16,456 | +182.8% |
| 2020/5 | 5,818 | -66.4% |
| 2019/5 | 17,313 | -81.0% |
| 2018/5 | 91,282 | +106.1% |
| 2017/5 | 44,294 | +23.1% |
| 2016/5 | 35,973 | +10.2% |
| 2015/5 | 32,652 | +55.1% |
| 2014/5 | 21,050 | +19.6% |
| 2013/5 | 17,603 | +12.0% |
| 2012/5 | 15,721 | +23.9% |
| 2011/5 | 12,685 | +48.3% |
| 2010/5 | 8,555 | - |