| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2025/6 | 88.7 | +29.1% |
| 2024/6 | 68.7 | +5.4% |
| 2023/6 | 65.2 | +13.4% |
| 2022/7 | 57.5 | -29.4% |
| 2021/7 | 81.4 | -18.8% |
| 2020/7 | 100.3 | -5.0% |
| 2019/6 | 105.6 | +9.0% |
| 2018/6 | 96.9 | -15.9% |
| 2017/6 | 115.2 | -8.3% |
| 2016/7 | 125.6 | +403.3% |
| 2015/7 | 25.0 | -9.5% |
| 2014/6 | 27.6 | +11.3% |
| 2013/6 | 24.8 | -13.1% |
| 2012/6 | 28.5 | +431.8% |
| 2011/7 | 5.4 | -36.9% |
| 2010/7 | 8.5 | - |