| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 40.4 | +11.3% |
| 2023/12 | 36.29 | -12.6% |
| 2022/12 | 41.54 | -39.4% |
| 2021/12 | 68.51 | -24.9% |
| 2020/12 | 91.23 | +64.2% |
| 2019/12 | 55.58 | -13.0% |
| 2018/12 | 63.86 | -15.0% |
| 2017/12 | 75.11 | -30.0% |
| 2016/12 | 107.27 | +73.8% |
| 2015/12 | 61.73 | +33.4% |
| 2014/12 | 46.29 | -20.9% |
| 2013/12 | 58.51 | +6.7% |
| 2012/12 | 54.83 | +61.5% |
| 2011/12 | 33.96 | -30.3% |
| 2010/12 | 48.75 | - |