| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 1,117 | -18.4% |
| 2023/12 | 1,369 | +19.1% |
| 2022/12 | 1,150 | +28.2% |
| 2021/12 | 897 | +36.8% |
| 2020/12 | 656 | +13.2% |
| 2019/12 | 579 | +9.7% |
| 2018/12 | 528 | -1.0% |
| 2017/12 | 534 | +16.7% |
| 2016/12 | 457 | +0.5% |
| 2015/12 | 455 | +134.7% |
| 2014/12 | 194 | -8.5% |
| 2013/12 | 212 | +2.4% |
| 2012/12 | 207 | +4.4% |
| 2011/12 | 198 | +9.8% |
| 2010/12 | 180 | - |