| （単位：千円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/6 | 451,081 | +47.1% |
| 2025/6 | 306,747 | +15.9% |
| 2024/6 | 264,572 | +29.9% |
| 2023/6 | 203,675 | +10.8% |
| 2022/6 | 183,785 | -12.2% |
| 2021/6 | 209,320 | +38.6% |
| 2020/6 | 150,987 | -10.9% |
| 2019/6 | 169,398 | -19.6% |
| 2018/6 | 210,616 | -7.5% |
| 2017/6 | 227,715 | +36.1% |
| 2016/6 | 167,338 | -21.0% |
| 2015/6 | 211,856 | +19.5% |
| 2014/6 | 177,281 | - |