| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/10 | 35.7 | -16.5% |
| 2023/10 | 42.8 | -2.3% |
| 2022/10 | 43.8 | -8.1% |
| 2021/10 | 47.6 | +134.9% |
| 2020/10 | 20.3 | +380.5% |
| 2019/10 | 4.2 | -62.2% |
| 2018/10 | 11.1 | +120.3% |
| 2017/10 | 5.1 | -9.9% |
| 2016/10 | 5.6 | -10.1% |
| 2015/10 | 6.2 | -9.7% |
| 2014/10 | 6.9 | -8.2% |
| 2013/10 | 7.5 | -14.8% |
| 2012/10 | 8.8 | -5.8% |
| 2011/10 | 9.4 | -35.4% |
| 2010/10 | 14.5 | - |