| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 36.37 | -37.9% |
| 2023/12 | 58.59 | -14.7% |
| 2022/12 | 68.65 | -4.7% |
| 2021/12 | 72.05 | -21.5% |
| 2020/12 | 91.82 | -6.7% |
| 2019/12 | 98.45 | -7.4% |
| 2018/12 | 106.32 | +39.7% |
| 2017/12 | 76.13 | -9.8% |
| 2016/12 | 84.39 | +18.1% |
| 2015/12 | 71.44 | +17.3% |
| 2014/12 | 60.88 | +26.0% |
| 2013/12 | 48.34 | +8.6% |
| 2012/12 | 44.51 | +0.4% |
| 2011/12 | 44.34 | +12.1% |
| 2010/12 | 39.56 | - |