| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 332,000 | +0.3% |
| 2024/12 | 331,000 | +27.8% |
| 2023/12 | 259,000 | +6.1% |
| 2022/12 | 244,000 | -10.9% |
| 2021/12 | 274,000 | +2.6% |
| 2020/12 | 267,000 | +3.5% |
| 2019/12 | 258,000 | +2.8% |
| 2018/12 | 251,000 | -6.3% |
| 2017/12 | 268,000 | +49.7% |
| 2016/12 | 179,000 | -51.2% |
| 2015/12 | 367,000 | -17.2% |
| 2014/12 | 443,000 | +12.7% |
| 2013/12 | 393,000 | -6.9% |
| 2012/12 | 422,000 | +9.0% |
| 2011/12 | 387,000 | -29.6% |
| 2010/12 | 550,000 | - |