| （単位：%） | 総還元性向 | 前年比（％） |
|---|---|---|
| 2025/2 | -69.6 | +9.0% |
| 2024/2 | -63.9 | -63.2% |
| 2023/2 | -173.4 | -94.1% |
| 2022/2 | -2945 | +791.7% |
| 2021/2 | -330.3 | +747.7% |
| 2020/2 | -39.0 | -28.3% |
| 2019/2 | -54.4 | -53.7% |
| 2018/2 | -117.5 | +36.9% |
| 2017/2 | -85.8 | +28.8% |
| 2016/2 | -66.6 | -35.4% |
| 2015/2 | -103.1 | -9.6% |
| 2014/2 | -114.1 | -32.6% |
| 2013/2 | -169.3 | +20.9% |
| 2012/2 | -140.0 | - |