| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/9 | 23,076 | -7.7% |
| 2023/9 | 24,988 | -3.8% |
| 2022/9 | 25,976 | -14.7% |
| 2021/9 | 30,438 | -51.9% |
| 2020/9 | 63,250 | -26.0% |
| 2019/9 | 85,501 | +88.2% |
| 2018/9 | 45,430 | +20.6% |
| 2017/9 | 37,667 | +20.1% |
| 2016/9 | 31,365 | +22.9% |
| 2015/9 | 25,517 | +10.3% |
| 2014/9 | 23,130 | +3.8% |
| 2013/9 | 22,288 | +18.3% |
| 2012/9 | 18,842 | +24.7% |
| 2011/9 | 15,105 | +10.7% |
| 2010/9 | 13,642 | - |