| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 340,898 | +39.6% |
| 2023/12 | 244,230 | -46.2% |
| 2022/12 | 454,117 | -22.2% |
| 2021/12 | 583,748 | +47.7% |
| 2020/12 | 395,125 | -8.8% |
| 2019/12 | 433,452 | +65.4% |
| 2018/12 | 262,039 | -38.1% |
| 2017/12 | 423,441 | +30.6% |
| 2016/12 | 324,335 | +18.8% |
| 2015/12 | 273,088 | -31.9% |
| 2014/12 | 400,845 | +74.5% |
| 2013/12 | 229,655 | -3.6% |
| 2012/12 | 238,255 | +36.2% |
| 2011/12 | 174,906 | +71.4% |
| 2010/12 | 102,055 | - |