| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2025/3 | 68.03 | -19.3% |
| 2024/3 | 84.31 | +19.7% |
| 2023/3 | 70.41 | +13.7% |
| 2022/3 | 61.94 | +14.1% |
| 2021/3 | 54.3 | +0.3% |
| 2020/3 | 54.13 | -15.2% |
| 2019/3 | 63.86 | -19.5% |
| 2018/3 | 79.3 | +11.5% |
| 2017/3 | 71.11 | - |
| 2015/3 | 60.93 | -17.8% |
| 2014/3 | 74.15 | +18.1% |
| 2013/3 | 62.76 | +39.5% |
| 2012/3 | 44.97 | +67.7% |
| 2011/3 | 26.82 | +8.4% |
| 2010/3 | 24.75 | - |