| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 272,975 | -19.6% |
| 2024/12 | 339,604 | +13.5% |
| 2023/12 | 299,080 | +94.3% |
| 2022/12 | 153,906 | -25.9% |
| 2021/12 | 207,693 | +28.2% |
| 2020/12 | 162,028 | +15.8% |
| 2019/12 | 139,909 | +1.4% |
| 2018/12 | 137,979 | +138.8% |
| 2017/12 | 57,782 | +15.8% |
| 2016/12 | 49,894 | -47.6% |
| 2015/12 | 95,156 | -17.0% |
| 2014/12 | 114,642 | +7.1% |
| 2013/12 | 107,005 | -24.6% |
| 2012/12 | 141,834 | +10.7% |
| 2011/12 | 128,168 | -0.7% |
| 2010/12 | 129,091 | - |