| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 43.95 | -37.7% |
| 2023/12 | 70.54 | +16.3% |
| 2022/12 | 60.66 | -5.3% |
| 2021/12 | 64.06 | -7.0% |
| 2020/12 | 68.9 | -12.3% |
| 2019/12 | 78.57 | -18.6% |
| 2018/12 | 96.56 | +61.2% |
| 2017/12 | 59.9 | -3.0% |
| 2016/12 | 61.78 | +81.3% |
| 2015/12 | 34.07 | +10.9% |
| 2014/12 | 30.73 | -1.5% |
| 2013/12 | 31.19 | -12.8% |
| 2012/12 | 35.78 | -11.6% |
| 2011/12 | 40.47 | -0.6% |
| 2010/12 | 40.72 | - |