| （単位：百万ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 263 | -10.8% |
| 2023/12 | 295 | -52.7% |
| 2022/12 | 624 | +15.3% |
| 2021/12 | 541 | +0.9% |
| 2020/12 | 536 | -34.0% |
| 2019/12 | 812 | -9.4% |
| 2018/12 | 896 | -3.9% |
| 2017/12 | 932 | -11.2% |
| 2016/12 | 1,050 | -14.8% |
| 2015/12 | 1,233 | -5.7% |
| 2014/12 | 1,307 | -0.5% |
| 2013/12 | 1,313 | -0.8% |
| 2012/12 | 1,324 | +1.6% |
| 2011/12 | 1,303 | -19.7% |
| 2010/12 | 1,623 | - |