| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 189.28 | +55.2% |
| 2023/12 | 121.92 | +12.6% |
| 2022/12 | 108.29 | +11.5% |
| 2021/12 | 97.12 | +7.1% |
| 2020/12 | 90.66 | +5.2% |
| 2019/12 | 86.15 | -0.9% |
| 2018/12 | 86.93 | +8.3% |
| 2017/12 | 80.28 | +2.5% |
| 2016/12 | 78.34 | -4.8% |
| 2015/12 | 82.31 | -2.1% |
| 2014/12 | 84.1 | -2.7% |
| 2013/12 | 86.44 | -3.2% |
| 2012/12 | 89.27 | +2.1% |
| 2011/12 | 87.47 | -4.9% |
| 2010/12 | 92.0 | - |