| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/3 | 35,003 | +14.9% |
| 2025/3 | 30,453 | -5.5% |
| 2024/3 | 32,213 | +7.7% |
| 2023/3 | 29,916 | -14.6% |
| 2022/3 | 35,044 | -8.0% |
| 2021/3 | 38,076 | -41.7% |
| 2020/3 | 65,258 | -5.5% |
| 2019/3 | 69,024 | -2.8% |
| 2018/3 | 70,994 | -0.0% |
| 2017/3 | 71,018 | -15.3% |
| 2016/3 | 83,870 | -4.3% |
| 2015/3 | 87,646 | +13.5% |
| 2014/3 | 77,234 | +14.2% |
| 2013/3 | 67,627 | - |