| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/9 | 54,625 | +20.6% |
| 2024/9 | 45,289 | +37.2% |
| 2023/9 | 33,014 | +34.7% |
| 2022/9 | 24,515 | -23.1% |
| 2021/9 | 31,884 | +25.0% |
| 2020/9 | 25,513 | +26.2% |
| 2019/9 | 20,222 | +12.0% |
| 2018/9 | 18,059 | +30.9% |
| 2017/9 | 13,791 | +25.2% |
| 2016/9 | 11,016 | +15.1% |
| 2015/9 | 9,567 | +9.3% |
| 2014/9 | 8,751 | +23.1% |
| 2013/9 | 7,107 | +31.2% |
| 2012/9 | 5,417 | +29.9% |
| 2011/9 | 4,170 | -4.5% |
| 2010/9 | 4,367 | - |