| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 78.04 | +0.2% |
| 2023/12 | 77.85 | +1.3% |
| 2022/12 | 76.87 | +0.8% |
| 2021/12 | 76.23 | -11.6% |
| 2020/12 | 86.26 | -7.3% |
| 2019/12 | 93.02 | -7.7% |
| 2018/12 | 100.8 | -10.1% |
| 2017/12 | 112.17 | -18.1% |
| 2016/12 | 136.96 | -16.3% |
| 2015/12 | 163.57 | -19.0% |
| 2014/12 | 201.89 | +83.9% |
| 2013/12 | 109.78 | -30.4% |
| 2012/12 | 157.83 | +104.2% |
| 2011/12 | 77.27 | -21.3% |
| 2010/12 | 98.22 | - |