| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 27.07 | -2.0% |
| 2023/12 | 27.64 | -18.0% |
| 2022/12 | 33.7 | -0.4% |
| 2021/12 | 33.83 | -2.6% |
| 2020/12 | 34.74 | +37.0% |
| 2019/12 | 25.35 | +41.9% |
| 2018/12 | 17.87 | -6.5% |
| 2017/12 | 19.11 | -1.2% |
| 2016/12 | 19.34 | -18.5% |
| 2015/12 | 23.74 | +63.6% |
| 2014/12 | 14.51 | +2.9% |
| 2013/12 | 14.1 | -8.8% |
| 2012/12 | 15.46 | +1624.3% |
| 2011/12 | 0.9 | -72.3% |
| 2010/12 | 3.24 | - |