| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 17.45 | -14.0% |
| 2023/12 | 20.29 | +4.8% |
| 2022/12 | 19.36 | +27.9% |
| 2021/12 | 15.13 | +11.2% |
| 2020/12 | 13.61 | -11.7% |
| 2019/12 | 15.42 | -4.5% |
| 2018/12 | 16.14 | -3.3% |
| 2017/12 | 16.69 | -15.7% |
| 2016/12 | 19.8 | +23.4% |
| 2015/12 | 16.05 | +26.2% |
| 2014/12 | 12.72 | -6.2% |
| 2013/12 | 13.56 | -22.6% |
| 2012/12 | 17.53 | +0.9% |
| 2011/12 | 17.38 | +23.3% |
| 2011/1 | 14.09 | - |