| （単位：%） | 総還元性向 | 前年比（％） |
|---|---|---|
| 2025/5 | 411.4 | -279.6% |
| 2024/6 | -229.1 | +44.5% |
| 2023/6 | -158.6 | -144.2% |
| 2022/5 | 358.9 | -1912.7% |
| 2021/5 | -19.8 | -102.9% |
| 2020/5 | 692.3 | -1288.4% |
| 2019/6 | -58.3 | -15.7% |
| 2018/6 | -69.1 | +35.9% |
| 2017/6 | -50.8 | +42.7% |
| 2016/5 | -35.6 | -5.5% |
| 2015/5 | -37.7 | -119.4% |
| 2014/5 | 194.6 | -684.6% |
| 2013/6 | -33.3 | +216.8% |
| 2012/6 | -10.5 | +24.0% |
| 2011/5 | -8.5 | - |