| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2025/2 | 40.2 | -20.4% |
| 2024/2 | 50.51 | -11.8% |
| 2023/1 | 57.28 | -5.2% |
| 2022/1 | 60.4 | -20.9% |
| 2021/1 | 76.37 | +719.9% |
| 2020/2 | 9.31 | -1.5% |
| 2019/2 | 9.45 | -27.4% |
| 2018/2 | 13.02 | -9.8% |
| 2017/1 | 14.43 | -9.9% |
| 2016/1 | 16.02 | -7.7% |
| 2015/1 | 17.36 | +132.2% |
| 2014/2 | 7.47 | -12.0% |
| 2013/2 | 8.49 | -15.5% |
| 2012/1 | 10.05 | -10.7% |
| 2011/1 | 11.26 | - |