| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 68.84 | -2.2% |
| 2023/12 | 70.38 | -15.2% |
| 2022/12 | 82.97 | -10.1% |
| 2021/12 | 92.28 | -8.9% |
| 2020/12 | 101.3 | -16.7% |
| 2019/12 | 121.57 | +54.2% |
| 2018/12 | 78.84 | -28.7% |
| 2017/12 | 110.56 | +22.5% |
| 2016/12 | 90.26 | -15.4% |
| 2015/12 | 106.71 | +46.5% |
| 2014/12 | 72.82 | -0.8% |
| 2013/12 | 73.41 | +24.8% |
| 2012/12 | 58.82 | -4.0% |
| 2011/12 | 61.24 | +17.6% |
| 2010/12 | 52.09 | - |