| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 58.17 | +6.2% |
| 2023/12 | 54.79 | -2.3% |
| 2022/12 | 56.1 | +1.2% |
| 2021/12 | 55.43 | -14.9% |
| 2020/12 | 65.11 | -13.2% |
| 2019/12 | 75.01 | -19.4% |
| 2018/12 | 93.09 | +60.4% |
| 2017/12 | 58.02 | -21.3% |
| 2016/12 | 73.69 | -23.4% |
| 2015/12 | 96.27 | +48.3% |
| 2014/12 | 64.92 | +3.9% |
| 2013/12 | 62.46 | -22.0% |
| 2012/12 | 80.08 | +141.7% |
| 2011/12 | 33.13 | - |