| （単位：千円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/3 | 223,664 | +29.2% |
| 2025/3 | 173,118 | +3.4% |
| 2024/3 | 167,412 | +24.5% |
| 2023/3 | 134,489 | -8.3% |
| 2022/3 | 146,588 | +4.8% |
| 2021/3 | 139,808 | +24.1% |
| 2020/3 | 112,613 | -20.7% |
| 2019/3 | 141,985 | -14.4% |
| 2018/3 | 165,943 | -28.0% |
| 2017/3 | 230,335 | +18.3% |
| 2016/3 | 194,631 | -4.1% |
| 2015/3 | 203,024 | +6.0% |
| 2014/3 | 191,575 | +158.0% |
| 2013/3 | 74,247 | - |