| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2024/12 | 123,557 | +28.9% |
| 2023/12 | 95,890 | -87.1% |
| 2022/12 | 745,365 | +84.8% |
| 2021/12 | 403,356 | +35.4% |
| 2020/12 | 297,867 | -21.3% |
| 2019/12 | 378,527 | +3.0% |
| 2019/3 | 419,064 | +14.1% |
| 2018/3 | 367,417 | +49.3% |
| 2017/3 | 246,085 | +15.1% |
| 2016/3 | 213,730 | -24.8% |
| 2015/3 | 284,090 | -40.4% |
| 2014/3 | 476,407 | -29.2% |
| 2013/3 | 673,129 | - |