| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2025/2 | 34.1 | -12.9% |
| 2024/2 | 39.2 | -25.7% |
| 2023/1 | 52.8 | -5.6% |
| 2022/1 | 55.9 | -46.4% |
| 2021/1 | 104.3 | +177.3% |
| 2020/2 | 37.6 | -15.0% |
| 2019/2 | 44.2 | +2.1% |
| 2018/2 | 43.3 | -12.3% |
| 2017/1 | 49.4 | +31.3% |
| 2016/1 | 37.6 | -0.7% |
| 2015/1 | 37.9 | +26.1% |
| 2014/2 | 30.0 | +42.1% |
| 2013/2 | 21.1 | -12.4% |
| 2012/1 | 24.1 | -3.4% |
| 2011/1 | 25.0 | - |