| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 26,400 | -56.7% |
| 2024/12 | 61,025 | -1.5% |
| 2023/12 | 61,924 | +29.6% |
| 2022/12 | 47,783 | +1.2% |
| 2021/12 | 47,201 | +2.8% |
| 2020/12 | 45,919 | +2.1% |
| 2019/12 | 44,995 | +2.8% |
| 2018/12 | 43,773 | +2.7% |
| 2017/12 | 42,607 | +0.9% |
| 2016/12 | 42,240 | +1.3% |
| 2015/12 | 41,691 | -10.2% |
| 2014/12 | 46,451 | +4.5% |
| 2013/12 | 44,451 | -5.2% |
| 2012/12 | 46,898 | +3.9% |
| 2011/12 | 45,147 | +20.7% |
| 2010/12 | 37,410 | - |