| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 569,000 | +19.3% |
| 2023/12 | 477,000 | +25.2% |
| 2022/12 | 381,000 | -13.0% |
| 2021/12 | 438,000 | +12.9% |
| 2020/12 | 388,000 | +23.2% |
| 2019/12 | 315,000 | -13.0% |
| 2018/12 | 362,000 | -13.4% |
| 2017/12 | 418,000 | +24.4% |
| 2016/12 | 336,000 | -22.2% |
| 2015/12 | 432,000 | -12.6% |
| 2014/12 | 494,000 | +10.3% |
| 2013/12 | 448,000 | -13.0% |
| 2012/12 | 515,000 | -6.0% |
| 2011/12 | 548,000 | - |