| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/9 | 27.94 | -8.9% |
| 2023/9 | 30.66 | -43.0% |
| 2022/9 | 53.78 | -15.7% |
| 2021/9 | 63.8 | -18.9% |
| 2020/9 | 78.7 | +35.9% |
| 2019/9 | 57.92 | +36.1% |
| 2018/9 | 42.55 | -1.7% |
| 2017/9 | 43.26 | -18.6% |
| 2016/9 | 53.18 | +0.8% |
| 2015/9 | 52.77 | +50.7% |
| 2014/9 | 35.01 | -7.5% |
| 2013/9 | 37.83 | +4.3% |
| 2012/9 | 36.27 | -11.5% |
| 2011/9 | 40.98 | -11.1% |
| 2010/9 | 46.08 | - |