| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/3 | 24,932 | +8.3% |
| 2025/3 | 23,020 | -7.0% |
| 2024/3 | 24,756 | +25.3% |
| 2023/3 | 19,750 | -32.4% |
| 2022/3 | 29,222 | -7.6% |
| 2021/3 | 31,627 | -1.4% |
| 2020/3 | 32,069 | -19.9% |
| 2019/3 | 40,049 | +9.8% |
| 2018/3 | 36,474 | +3.3% |
| 2017/3 | 35,310 | -2.9% |
| 2016/3 | 36,351 | -3.2% |
| 2015/3 | 37,559 | +44.0% |
| 2014/3 | 26,077 | +7.1% |
| 2013/3 | 24,342 | - |