| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/3 | 339,322 | +8.9% |
| 2025/3 | 311,557 | -26.3% |
| 2024/3 | 422,583 | +37.8% |
| 2023/3 | 306,570 | -9.3% |
| 2022/3 | 337,976 | -0.6% |
| 2021/3 | 340,079 | +17.0% |
| 2020/3 | 290,719 | -19.4% |
| 2019/3 | 360,627 | -3.1% |
| 2018/3 | 372,308 | +7.5% |
| 2017/3 | 346,245 | +1.2% |
| 2016/3 | 342,021 | -17.7% |
| 2015/3 | 415,541 | +28.3% |
| 2014/3 | 323,858 | +2.0% |
| 2013/3 | 317,386 | - |