| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 487,329 | - |
| 2023/12 | 76,431 | +24.4% |
| 2022/12 | 61,443 | -38.2% |
| 2021/12 | 99,419 | +124.5% |
| 2020/12 | 44,291 | +243.2% |
| 2019/12 | 12,905 | - |
| 2017/12 | 2,366 | -1.2% |
| 2016/12 | 2,394 | -84.4% |
| 2015/12 | 15,348 | -64.3% |
| 2014/12 | 42,940 | +338.5% |
| 2013/12 | 9,792 | -54.2% |
| 2012/12 | 21,393 | -7.8% |
| 2011/12 | 23,194 | -47.5% |
| 2010/12 | 44,189 | - |