| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 54.18 | -1.6% |
| 2023/12 | 55.08 | -5.7% |
| 2022/12 | 58.43 | -1.5% |
| 2021/12 | 59.32 | -4.8% |
| 2020/12 | 62.33 | +8.2% |
| 2019/12 | 57.6 | -12.4% |
| 2018/12 | 65.77 | -12.7% |
| 2017/12 | 75.33 | -27.9% |
| 2016/12 | 104.44 | -22.2% |
| 2015/12 | 134.2 | -16.6% |
| 2014/12 | 160.84 | +1590.4% |
| 2013/12 | 9.52 | -9.4% |
| 2012/12 | 10.5 | -14.2% |
| 2011/12 | 12.24 | +3.4% |
| 2010/12 | 11.83 | - |