| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2025/12 | 377,339 | +40.3% |
| 2024/12 | 268,895 | +17.1% |
| 2023/12 | 229,667 | +12.8% |
| 2022/12 | 203,572 | +12.2% |
| 2021/12 | 181,436 | +3.5% |
| 2020/12 | 175,262 | +24.3% |
| 2020/3 | 137,845 | -2.2% |
| 2019/3 | 140,968 | +7.2% |
| 2018/3 | 131,470 | +43.2% |
| 2017/3 | 91,806 | +22.6% |
| 2016/3 | 74,875 | -0.6% |
| 2015/3 | 75,322 | +15.0% |
| 2014/3 | 65,499 | +9.9% |
| 2013/3 | 59,588 | - |