| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 88.73 | -0.3% |
| 2023/12 | 88.96 | -3.9% |
| 2022/12 | 92.61 | -10.8% |
| 2021/12 | 103.82 | -5.1% |
| 2020/12 | 109.4 | -6.3% |
| 2019/12 | 116.78 | -53.4% |
| 2018/12 | 250.76 | +14.8% |
| 2017/12 | 218.39 | +26.0% |
| 2016/12 | 173.38 | +6.6% |
| 2015/12 | 162.59 | +25.0% |
| 2014/12 | 130.03 | +28.7% |
| 2013/12 | 101.06 | -9.7% |
| 2012/12 | 111.96 | -6.8% |
| 2011/12 | 120.18 | - |