| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 84,693 | +105.4% |
| 2023/12 | 41,225 | -86.7% |
| 2022/12 | 309,697 | +18.6% |
| 2021/12 | 261,080 | -10.4% |
| 2020/12 | 291,297 | +5.6% |
| 2019/12 | 275,836 | +6.9% |
| 2018/12 | 258,044 | +9.3% |
| 2017/12 | 236,144 | +96.7% |
| 2016/12 | 120,066 | -28.2% |
| 2015/12 | 167,214 | -46.4% |
| 2014/12 | 311,951 | +5.6% |
| 2013/12 | 295,440 | +47.8% |
| 2012/12 | 199,865 | - |