| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2025/4 | 60.63 | -20.2% |
| 2024/4 | 75.97 | -7.3% |
| 2023/4 | 81.95 | -1.2% |
| 2022/4 | 82.9 | -6.5% |
| 2021/4 | 88.63 | -22.9% |
| 2020/4 | 114.89 | -17.4% |
| 2019/4 | 139.04 | -21.8% |
| 2018/4 | 177.89 | +25.8% |
| 2017/4 | 141.46 | +79.6% |
| 2016/4 | 78.75 | +51.1% |
| 2015/4 | 52.13 | +6.2% |
| 2014/4 | 49.06 | -20.0% |
| 2013/4 | 61.36 | +150.9% |
| 2012/4 | 24.46 | -33.6% |
| 2011/4 | 36.84 | - |