| （単位：千ドル） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 18,900 | +37.0% |
| 2023/12 | 13,800 | -8.6% |
| 2022/12 | 15,100 | +23.8% |
| 2021/12 | 12,200 | -10.9% |
| 2020/12 | 13,700 | -14.9% |
| 2019/12 | 16,104 | +8.2% |
| 2018/12 | 14,890 | +2.3% |
| 2017/12 | 14,553 | +4.2% |
| 2016/12 | 13,965 | +21.0% |
| 2015/12 | 11,540 | +1.3% |
| 2014/12 | 11,393 | -5.7% |
| 2013/12 | 12,085 | +18.1% |
| 2012/12 | 10,232 | - |
| 2010/12 | 11,672 | - |