| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 73.31 | +17.4% |
| 2023/12 | 62.46 | -8.8% |
| 2022/12 | 68.52 | -3.4% |
| 2021/12 | 70.91 | -27.6% |
| 2020/12 | 97.96 | +29.2% |
| 2019/12 | 75.84 | -11.0% |
| 2018/12 | 85.19 | -5.1% |
| 2017/12 | 89.75 | +0.9% |
| 2016/12 | 88.98 | -4.0% |
| 2015/12 | 92.68 | +63.4% |
| 2014/12 | 56.74 | -5.5% |
| 2013/12 | 60.07 | +30.9% |
| 2012/12 | 45.88 | +131.4% |
| 2011/12 | 19.82 | -12.0% |
| 2010/12 | 22.54 | - |