| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 20.74 | -13.9% |
| 2023/12 | 24.1 | +38.4% |
| 2022/12 | 17.41 | -6.0% |
| 2021/12 | 18.51 | -7.8% |
| 2020/12 | 20.08 | -15.9% |
| 2019/12 | 23.88 | -12.3% |
| 2018/12 | 27.22 | -13.9% |
| 2017/12 | 31.62 | -35.2% |
| 2016/12 | 48.83 | -16.6% |
| 2015/12 | 58.59 | +75.7% |
| 2014/12 | 33.35 | -10.2% |
| 2013/12 | 37.15 | -47.4% |
| 2012/12 | 70.64 | -10.8% |
| 2011/12 | 79.16 | -24.5% |
| 2010/12 | 104.83 | - |