| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/3 | 48,505 | +8.6% |
| 2025/3 | 44,671 | -15.4% |
| 2024/3 | 52,773 | +35.2% |
| 2023/3 | 39,029 | -1.8% |
| 2022/3 | 39,735 | -9.0% |
| 2021/3 | 43,665 | +23.3% |
| 2020/3 | 35,407 | -6.6% |
| 2019/3 | 37,918 | -7.9% |
| 2018/3 | 41,153 | +0.4% |
| 2017/3 | 40,999 | +16.7% |
| 2016/3 | 35,132 | +0.2% |
| 2015/3 | 35,051 | +238.2% |
| 2014/3 | 10,365 | +54.7% |
| 2013/3 | 6,698 | - |