| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/9 | 25.0 | -3.1% |
| 2023/9 | 25.8 | -18.8% |
| 2022/8 | 31.8 | -23.4% |
| 2021/8 | 41.4 | +1.9% |
| 2020/8 | 40.7 | -7.1% |
| 2019/9 | 43.8 | -12.8% |
| 2018/9 | 50.2 | -16.5% |
| 2017/9 | 60.1 | +43.6% |
| 2016/8 | 41.9 | -26.0% |
| 2015/8 | 56.6 | +39.0% |
| 2014/8 | 40.7 | -10.3% |
| 2013/9 | 45.4 | +311.1% |
| 2012/9 | 11.0 | -35.5% |
| 2011/8 | 17.1 | -12.6% |
| 2010/8 | 19.6 | - |