| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 158,187 | +12.3% |
| 2023/12 | 140,906 | +10.2% |
| 2022/12 | 127,871 | +4.3% |
| 2021/12 | 122,593 | +25.7% |
| 2020/12 | 97,495 | -2.6% |
| 2019/12 | 100,079 | +19.4% |
| 2018/12 | 83,828 | +45.2% |
| 2017/12 | 57,722 | - |
| 2016/12 | 0 | -100.0% |
| 2015/12 | 78,563 | +29.8% |
| 2014/12 | 60,508 | +27.8% |
| 2013/12 | 47,351 | +138.7% |
| 2012/12 | 19,841 | -53.9% |
| 2011/12 | 43,077 | +426.9% |
| 2010/12 | 8,175 | - |