| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 320,272 | -5.2% |
| 2023/12 | 337,814 | -7.8% |
| 2022/12 | 366,508 | -20.4% |
| 2021/12 | 460,347 | +0.8% |
| 2020/12 | 456,617 | +1.7% |
| 2019/12 | 449,130 | +7.6% |
| 2018/12 | 417,508 | -28.7% |
| 2017/12 | 585,419 | +7.5% |
| 2016/12 | 544,642 | +5.5% |
| 2015/12 | 516,478 | +0.3% |
| 2014/12 | 515,025 | +5.4% |
| 2013/12 | 488,515 | +22.0% |
| 2012/12 | 400,329 | +563.8% |
| 2011/12 | 60,311 | - |