| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 1,203 | +642.6% |
| 2023/12 | 162 | -49.7% |
| 2022/12 | 322 | +263.4% |
| 2021/12 | 88 | -46.7% |
| 2020/12 | 166 | -37.1% |
| 2019/12 | 263 | -4.4% |
| 2018/12 | 276 | +695.3% |
| 2017/12 | 34 | -77.4% |
| 2016/12 | 153 | -18.0% |
| 2015/12 | 187 | -8.6% |
| 2014/12 | 205 | +349.0% |
| 2013/12 | 45 | -46.8% |
| 2012/12 | 85 | +95.7% |
| 2011/12 | 43 | -44.3% |
| 2010/12 | 78 | - |