| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 35.43 | +3.4% |
| 2023/12 | 34.26 | -11.8% |
| 2022/12 | 38.85 | +7.9% |
| 2021/12 | 36.0 | -29.1% |
| 2020/12 | 50.8 | -39.5% |
| 2019/12 | 83.95 | -0.2% |
| 2018/12 | 84.13 | -5.6% |
| 2017/12 | 89.09 | -15.5% |
| 2016/12 | 105.48 | +51.8% |
| 2015/12 | 69.49 | -13.7% |
| 2014/12 | 80.49 | +23.0% |
| 2013/12 | 65.46 | -8.0% |
| 2012/12 | 71.15 | -4.6% |
| 2011/12 | 74.55 | -0.0% |
| 2010/12 | 74.57 | - |