| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 32,060 | +15.6% |
| 2023/12 | 27,743 | -15.1% |
| 2022/12 | 32,665 | -53.7% |
| 2021/12 | 70,615 | -11.9% |
| 2020/12 | 80,130 | -15.2% |
| 2019/12 | 94,489 | -13.2% |
| 2018/12 | 108,822 | -16.5% |
| 2017/12 | 130,256 | -26.0% |
| 2016/12 | 176,102 | -11.1% |
| 2015/12 | 198,026 | -29.4% |
| 2014/12 | 280,649 | -9.2% |
| 2013/12 | 309,225 | -7.1% |
| 2012/12 | 332,729 | +0.2% |
| 2011/12 | 332,008 | +27.1% |
| 2010/12 | 261,160 | - |