| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 53.46 | -0.6% |
| 2023/12 | 53.77 | +6.8% |
| 2022/12 | 50.35 | +48.8% |
| 2021/12 | 33.85 | +68.4% |
| 2020/12 | 20.1 | -19.2% |
| 2019/12 | 24.89 | -29.3% |
| 2018/12 | 35.19 | -10.3% |
| 2017/12 | 39.25 | -21.3% |
| 2016/12 | 49.85 | -16.0% |
| 2015/12 | 59.34 | +16.3% |
| 2014/12 | 51.02 | +4.4% |
| 2013/12 | 48.87 | +28.8% |
| 2012/12 | 37.93 | -22.9% |
| 2011/12 | 49.19 | - |