| （単位：%） | 総還元性向 | 前年比（％） |
|---|---|---|
| 2023/12 | -81.7 | -19.4% |
| 2022/12 | -101.4 | +15.3% |
| 2021/12 | -88.0 | -133.7% |
| 2020/12 | 261 | -353.0% |
| 2019/12 | -103.2 | +331.2% |
| 2018/12 | -23.9 | +298.6% |
| 2017/12 | -6.0 | -187.8% |
| 2016/12 | 6.8 | -56.6% |
| 2015/12 | 15.8 | -418.4% |
| 2014/12 | -4.9 | -226.6% |
| 2013/12 | 3.9 | -112.9% |
| 2012/12 | -30.2 | +433.7% |
| 2011/12 | -5.7 | +55.4% |
| 2010/12 | -3.6 | - |