| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 11.53 | -41.5% |
| 2023/12 | 19.71 | +73.7% |
| 2022/12 | 11.35 | -6.2% |
| 2021/12 | 12.1 | -34.7% |
| 2020/12 | 18.53 | -41.4% |
| 2019/12 | 31.62 | -20.3% |
| 2018/12 | 39.65 | -33.9% |
| 2017/12 | 59.96 | -32.1% |
| 2016/12 | 88.33 | +8.2% |
| 2015/12 | 81.61 | +28.5% |
| 2014/12 | 63.54 | +106.9% |
| 2013/12 | 30.71 | -25.0% |
| 2012/12 | 40.94 | -5.7% |
| 2011/12 | 43.42 | +3.4% |
| 2010/12 | 42.01 | - |