| （単位：千円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/6 | 388,314 | +34.5% |
| 2025/6 | 288,660 | +4.4% |
| 2024/6 | 276,603 | +18.4% |
| 2023/6 | 233,644 | +21.5% |
| 2022/6 | 192,303 | -18.3% |
| 2021/6 | 235,497 | +17.5% |
| 2020/6 | 200,364 | -17.2% |
| 2019/6 | 241,899 | -20.3% |
| 2018/6 | 303,398 | +10.3% |
| 2017/6 | 275,180 | +36.9% |
| 2016/6 | 201,057 | -22.9% |
| 2015/6 | 260,777 | +25.3% |
| 2014/6 | 208,147 | - |