| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 129.18 | -3.5% |
| 2023/12 | 133.9 | +6.5% |
| 2022/12 | 125.67 | +9.5% |
| 2021/12 | 114.82 | +4.6% |
| 2020/12 | 109.76 | +26.1% |
| 2019/12 | 87.02 | +0.4% |
| 2018/12 | 86.72 | -7.0% |
| 2017/12 | 93.26 | +14.5% |
| 2016/12 | 81.48 | +11.1% |
| 2015/12 | 73.36 | +10.3% |
| 2014/12 | 66.53 | +3.3% |
| 2013/12 | 64.43 | -17.4% |
| 2012/12 | 77.98 | +1.5% |
| 2011/12 | 76.81 | - |