| （単位：千円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/4 | 73,000 | -71.1% |
| 2025/4 | 253,000 | +2.0% |
| 2024/4 | 248,000 | +2.9% |
| 2023/10 | 241,000 | +5.2% |
| 2022/10 | 229,000 | +0.4% |
| 2021/10 | 228,000 | -6.6% |
| 2020/10 | 244,000 | -3.6% |
| 2019/10 | 253,000 | -1.6% |
| 2018/10 | 257,000 | +314.5% |
| 2017/10 | 62,000 | +19.2% |
| 2016/10 | 52,000 | -17.5% |
| 2015/10 | 63,000 | +21.2% |
| 2014/10 | 52,000 | - |