| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 92.08 | -5.0% |
| 2023/12 | 96.94 | +24.4% |
| 2022/12 | 77.96 | +4.2% |
| 2021/12 | 74.78 | -4.1% |
| 2020/12 | 77.94 | +4.8% |
| 2019/12 | 74.34 | -3.7% |
| 2018/12 | 77.23 | -0.2% |
| 2017/12 | 77.4 | -4.3% |
| 2016/12 | 80.9 | -3.4% |
| 2015/12 | 83.73 | +2.5% |
| 2014/12 | 81.72 | -6.2% |
| 2013/12 | 87.15 | -0.1% |
| 2012/12 | 87.22 | -2.6% |
| 2011/12 | 89.58 | -14.6% |
| 2010/12 | 104.87 | - |