| （単位：千） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 794,688 | +4.8% |
| 2023/12 | 757,949 | +213.0% |
| 2022/12 | 242,194 | +146.5% |
| 2021/12 | 98,243 | -27.5% |
| 2020/12 | 135,517 | -20.1% |
| 2019/12 | 169,653 | -68.8% |
| 2018/12 | 544,323 | +6.5% |
| 2017/12 | 510,926 | +71.0% |
| 2016/12 | 298,871 | +50.3% |
| 2015/12 | 198,907 | +57.5% |
| 2014/12 | 126,307 | +18.3% |
| 2013/12 | 106,727 | - |
| 2011/12 | 8,200 | - |