| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 43.81 | +20.6% |
| 2023/12 | 36.32 | +9.2% |
| 2022/12 | 33.25 | +85.8% |
| 2021/12 | 17.89 | -5.9% |
| 2020/12 | 19.02 | +2.8% |
| 2019/12 | 18.49 | -26.2% |
| 2018/12 | 25.06 | +37.9% |
| 2017/12 | 18.17 | -26.8% |
| 2016/12 | 24.81 | +35.3% |
| 2015/12 | 18.34 | -13.2% |
| 2014/12 | 21.12 | -19.5% |
| 2013/12 | 26.24 | +15.6% |
| 2012/12 | 22.69 | +21.4% |
| 2011/12 | 18.69 | -4.9% |
| 2010/12 | 19.66 | - |