| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 56.18 | -21.8% |
| 2023/12 | 71.84 | +6.5% |
| 2022/12 | 67.45 | -1.5% |
| 2021/12 | 68.52 | -10.3% |
| 2020/12 | 76.38 | -5.3% |
| 2019/12 | 80.65 | -13.2% |
| 2018/12 | 92.94 | -22.9% |
| 2017/12 | 120.52 | -19.8% |
| 2016/12 | 150.35 | +6.9% |
| 2015/12 | 140.63 | -9.2% |
| 2014/12 | 154.82 | -20.2% |
| 2013/12 | 194.04 | +137.0% |
| 2012/12 | 81.86 | -5.9% |
| 2011/12 | 87.03 | +59.9% |
| 2010/12 | 54.42 | - |