| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 43.43 | +42.7% |
| 2023/12 | 30.42 | +94.3% |
| 2022/12 | 15.66 | -19.6% |
| 2021/12 | 19.47 | -28.1% |
| 2020/12 | 27.07 | -39.1% |
| 2019/12 | 44.45 | -18.6% |
| 2018/12 | 54.62 | +9.0% |
| 2017/12 | 50.1 | -13.0% |
| 2016/12 | 57.59 | -12.6% |
| 2015/12 | 65.87 | -9.8% |
| 2014/12 | 73.01 | +61.6% |
| 2013/12 | 45.19 | +0.1% |
| 2012/12 | 45.16 | -37.4% |
| 2011/12 | 72.12 | -23.1% |
| 2010/12 | 93.81 | - |