| （単位：百万円） | 投資有価証券 | 前年比（％） |
|---|---|---|
| 2026/3 | 303,797 | +37.5% |
| 2025/3 | 220,868 | -1.7% |
| 2024/3 | 224,638 | +2.7% |
| 2023/3 | 218,834 | -4.4% |
| 2022/3 | 228,794 | -1.2% |
| 2021/3 | 231,490 | +11.7% |
| 2020/3 | 207,219 | -7.8% |
| 2019/3 | 224,689 | -10.3% |
| 2018/3 | 250,522 | -7.3% |
| 2017/3 | 270,112 | +1.6% |
| 2016/3 | 265,870 | +5.1% |
| 2015/3 | 252,982 | +27.1% |
| 2014/3 | 199,026 | +29.6% |
| 2013/3 | 153,599 | - |