| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 463 | +83.7% |
| 2023/12 | 252 | -75.2% |
| 2022/12 | 1,015 | +174.3% |
| 2021/12 | 370 | -52.9% |
| 2020/12 | 785 | -46.6% |
| 2019/12 | 1,469 | -76.4% |
| 2018/12 | 6,233 | -48.6% |
| 2017/12 | 12,125 | +6.2% |
| 2016/12 | 11,416 | -12.4% |
| 2015/12 | 13,039 | -3.5% |
| 2014/12 | 13,515 | +38.3% |
| 2013/12 | 9,770 | +33.7% |
| 2012/12 | 7,305 | +111.2% |
| 2011/12 | 3,458 | +59.0% |
| 2010/12 | 2,175 | - |