| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 332,338 | +30.0% |
| 2023/12 | 255,606 | +3.3% |
| 2022/12 | 247,528 | -15.0% |
| 2021/12 | 291,175 | +32.3% |
| 2020/12 | 220,020 | +43.8% |
| 2019/12 | 153,031 | -10.2% |
| 2018/12 | 170,409 | -10.6% |
| 2017/12 | 190,510 | +15.7% |
| 2016/12 | 164,665 | +7.7% |
| 2015/12 | 152,930 | -6.5% |
| 2014/12 | 163,579 | +10.1% |
| 2013/12 | 148,532 | +19.1% |
| 2012/12 | 124,685 | +29.7% |
| 2011/12 | 96,161 | +49.2% |
| 2010/12 | 64,461 | - |