| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 33,660 | -29.7% |
| 2023/12 | 47,890 | +8.0% |
| 2022/12 | 44,329 | -10.5% |
| 2021/12 | 49,514 | +53.8% |
| 2020/12 | 32,193 | -11.8% |
| 2019/12 | 36,519 | +3.1% |
| 2018/12 | 35,424 | -6.0% |
| 2017/12 | 37,695 | -63.6% |
| 2016/12 | 103,679 | +10.2% |
| 2015/12 | 94,122 | +5.3% |
| 2014/12 | 89,389 | +12.4% |
| 2013/12 | 79,557 | +34.1% |
| 2012/12 | 59,341 | +500.0% |
| 2011/12 | 9,890 | +11.8% |
| 2010/12 | 8,848 | - |