| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 57.11 | +23.0% |
| 2023/12 | 46.43 | -15.3% |
| 2022/12 | 54.79 | -20.6% |
| 2021/12 | 68.96 | -51.6% |
| 2020/12 | 142.37 | +96.3% |
| 2019/12 | 72.53 | +55.2% |
| 2018/12 | 46.72 | -2.4% |
| 2017/12 | 47.85 | -51.1% |
| 2016/12 | 97.87 | -10.8% |
| 2015/12 | 109.71 | +194.0% |
| 2014/12 | 37.32 | -3.8% |
| 2013/12 | 38.81 | -2.3% |
| 2012/12 | 39.74 | +42.7% |
| 2011/12 | 27.85 | +40.4% |
| 2010/12 | 19.84 | - |