| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/3 | 252,658 | -41.0% |
| 2025/3 | 428,326 | -10.4% |
| 2024/3 | 478,191 | +23.6% |
| 2023/3 | 386,906 | +1.7% |
| 2022/3 | 380,271 | +4.5% |
| 2021/3 | 364,029 | +14.6% |
| 2020/3 | 317,621 | -13.6% |
| 2019/3 | 367,626 | +9.0% |
| 2018/3 | 337,382 | +9.2% |
| 2017/3 | 309,014 | -3.8% |
| 2016/3 | 321,320 | -7.8% |
| 2015/3 | 348,327 | +31.0% |
| 2014/3 | 265,858 | +3.3% |
| 2013/3 | 257,370 | - |