| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/3 | 41,051 | +106.3% |
| 2025/3 | 19,903 | -58.0% |
| 2024/3 | 47,383 | +36.5% |
| 2023/3 | 34,711 | -3.2% |
| 2022/3 | 35,860 | +4.1% |
| 2021/3 | 34,449 | +26.0% |
| 2020/3 | 27,336 | -17.3% |
| 2019/3 | 33,066 | -17.3% |
| 2018/3 | 39,959 | +12.3% |
| 2017/3 | 35,571 | +28.7% |
| 2016/3 | 27,634 | -21.0% |
| 2015/3 | 34,997 | +16.2% |
| 2014/3 | 30,126 | +22.1% |
| 2013/3 | 24,682 | - |