| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/3 | 13,027 | -5.8% |
| 2025/3 | 13,822 | -1.5% |
| 2024/3 | 14,037 | +34.2% |
| 2023/3 | 10,456 | -1.4% |
| 2022/3 | 10,600 | -6.4% |
| 2021/3 | 11,324 | +6.4% |
| 2020/3 | 10,642 | -14.3% |
| 2019/3 | 12,415 | -15.0% |
| 2018/3 | 14,609 | +4.4% |
| 2017/3 | 13,988 | +14.3% |
| 2016/3 | 12,237 | -13.5% |
| 2015/3 | 14,153 | +7.5% |
| 2014/3 | 13,171 | +5.5% |
| 2013/3 | 12,481 | - |