| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 639,000 | +6.1% |
| 2023/12 | 602,000 | +7.7% |
| 2022/12 | 559,000 | +8.1% |
| 2021/12 | 517,000 | +6.6% |
| 2020/12 | 485,000 | +3.7% |
| 2019/12 | 467,800 | +8.5% |
| 2018/12 | 431,300 | +8.9% |
| 2017/12 | 396,100 | +17.3% |
| 2016/12 | 337,600 | -2.5% |
| 2015/12 | 346,300 | +0.4% |
| 2014/12 | 344,900 | +4.6% |
| 2013/12 | 329,600 | +3.3% |
| 2012/12 | 319,000 | +6.1% |
| 2011/12 | 300,800 | +4.0% |
| 2010/12 | 289,200 | - |