| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/3 | 14,132 | -71.9% |
| 2025/3 | 50,372 | +3.7% |
| 2024/3 | 48,586 | +42.4% |
| 2023/3 | 34,131 | +22.2% |
| 2022/3 | 27,927 | -6.0% |
| 2021/3 | 29,711 | +29.9% |
| 2020/3 | 22,870 | -6.4% |
| 2019/3 | 24,438 | +0.2% |
| 2018/3 | 24,382 | +50.3% |
| 2017/3 | 16,225 | +7.6% |
| 2016/3 | 15,075 | -0.9% |
| 2015/3 | 15,215 | +6.2% |
| 2014/3 | 14,322 | +18.1% |
| 2013/3 | 12,129 | - |