| （単位：千円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/6 | 498,130 | +72.3% |
| 2025/6 | 289,115 | -0.1% |
| 2024/6 | 289,480 | +52.9% |
| 2023/6 | 189,342 | +11.0% |
| 2022/6 | 170,643 | +18.5% |
| 2021/6 | 144,061 | +12.9% |
| 2020/6 | 127,567 | -10.4% |
| 2019/6 | 142,420 | -23.2% |
| 2018/6 | 185,368 | -36.1% |
| 2017/6 | 290,010 | +0.4% |
| 2016/6 | 288,748 | -28.5% |
| 2015/6 | 403,996 | +15.9% |
| 2014/6 | 348,594 | - |