| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/3 | 66,125 | +3.0% |
| 2025/3 | 64,220 | -3.3% |
| 2024/3 | 66,435 | +7.4% |
| 2023/3 | 61,864 | +10.6% |
| 2022/3 | 55,931 | -2.2% |
| 2021/3 | 57,212 | -13.3% |
| 2020/3 | 65,980 | +2.5% |
| 2019/3 | 64,363 | -1.0% |
| 2018/3 | 65,000 | -38.1% |
| 2017/3 | 105,089 | -6.3% |
| 2016/3 | 112,113 | -18.0% |
| 2015/3 | 136,679 | +1.7% |
| 2014/3 | 134,337 | +43.8% |
| 2013/3 | 93,410 | - |