| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2025/2 | 40.67 | -4.0% |
| 2024/2 | 42.38 | -7.2% |
| 2023/1 | 45.66 | +2.7% |
| 2022/1 | 44.48 | -40.8% |
| 2021/1 | 75.15 | +61.3% |
| 2020/2 | 46.59 | -3.7% |
| 2019/2 | 48.38 | -12.5% |
| 2018/2 | 55.29 | -16.9% |
| 2017/1 | 66.55 | -4.4% |
| 2016/1 | 69.6 | -14.1% |
| 2015/2 | 81.07 | -11.3% |
| 2014/2 | 91.42 | +29.3% |
| 2013/2 | 70.7 | +0.9% |
| 2012/1 | 70.08 | -27.6% |
| 2011/1 | 96.78 | - |