| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 652 | -1.7% |
| 2023/12 | 663 | +6.6% |
| 2022/12 | 622 | -5.0% |
| 2021/12 | 655 | +8.3% |
| 2020/12 | 605 | -58.3% |
| 2019/12 | 1,451 | +11.7% |
| 2018/12 | 1,299 | -59.2% |
| 2017/12 | 3,184 | +5.2% |
| 2016/12 | 3,026 | +8.5% |
| 2015/12 | 2,788 | -13.5% |
| 2014/12 | 3,222 | +3.8% |
| 2013/12 | 3,104 | -2.8% |
| 2012/12 | 3,194 | -9.3% |
| 2011/12 | 3,522 | +17.3% |
| 2010/12 | 3,002 | - |