| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/2 | 28,116 | +12.5% |
| 2024/2 | 24,993 | +21.2% |
| 2023/1 | 20,624 | +6.6% |
| 2022/1 | 19,352 | +5.6% |
| 2021/1 | 18,320 | +15.5% |
| 2020/2 | 15,863 | -15.4% |
| 2019/2 | 18,745 | -12.6% |
| 2018/2 | 21,453 | +18.6% |
| 2017/1 | 18,092 | -46.5% |
| 2016/1 | 33,826 | -22.6% |
| 2015/1 | 43,698 | +0.6% |
| 2014/2 | 43,436 | +21.6% |
| 2013/2 | 35,735 | -10.6% |
| 2012/1 | 39,985 | -39.6% |
| 2011/1 | 66,162 | - |