| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/3 | 906,380 | +19.3% |
| 2025/3 | 760,057 | +5.8% |
| 2024/3 | 718,380 | +44.4% |
| 2023/3 | 497,496 | +28.4% |
| 2022/3 | 387,507 | +9.3% |
| 2021/3 | 354,465 | +46.5% |
| 2020/3 | 241,957 | -26.7% |
| 2019/3 | 330,212 | -25.2% |
| 2018/3 | 441,583 | +4.6% |
| 2017/3 | 422,226 | -5.9% |
| 2016/3 | 448,729 | -22.9% |
| 2015/3 | 582,053 | +15.6% |
| 2014/3 | 503,499 | +27.1% |
| 2013/3 | 396,223 | - |