| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 21,270 | -16.8% |
| 2024/12 | 25,558 | -4.6% |
| 2023/12 | 26,804 | +15.1% |
| 2022/12 | 23,294 | -32.5% |
| 2021/12 | 34,495 | +12.5% |
| 2020/12 | 30,652 | +8.6% |
| 2019/12 | 28,227 | +12.5% |
| 2018/12 | 25,082 | -11.3% |
| 2017/12 | 28,270 | +17.5% |
| 2016/12 | 24,055 | +15.0% |
| 2015/12 | 20,910 | +3.4% |
| 2014/12 | 20,217 | +10.4% |
| 2013/12 | 18,305 | +29.9% |
| 2012/12 | 14,093 | +13.1% |
| 2011/12 | 12,464 | - |