| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 44.81 | -2.3% |
| 2023/12 | 45.88 | -19.0% |
| 2022/12 | 56.68 | -26.5% |
| 2021/12 | 77.1 | +69.3% |
| 2020/12 | 45.55 | -35.8% |
| 2019/12 | 70.96 | +31.7% |
| 2018/12 | 53.89 | -21.3% |
| 2017/12 | 68.51 | -42.2% |
| 2016/12 | 118.55 | +53.0% |
| 2015/12 | 77.49 | +53.8% |
| 2014/12 | 50.38 | +82.3% |
| 2013/12 | 27.63 | -18.4% |
| 2012/12 | 33.87 | +11.4% |
| 2011/12 | 30.4 | - |