| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 54,584 | +239.4% |
| 2023/12 | 16,082 | -42.7% |
| 2022/12 | 28,080 | +161.7% |
| 2021/12 | 10,729 | -31.8% |
| 2020/12 | 15,731 | -24.2% |
| 2019/12 | 20,746 | -33.6% |
| 2018/12 | 31,228 | -23.2% |
| 2017/12 | 40,642 | -1.2% |
| 2016/12 | 41,139 | +18.5% |
| 2015/12 | 34,716 | +54.6% |
| 2014/12 | 22,453 | -26.8% |
| 2013/12 | 30,653 | +96.0% |
| 2012/12 | 15,636 | +132.8% |
| 2011/12 | 6,717 | - |