| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 66.61 | +29.3% |
| 2023/12 | 51.52 | +28.4% |
| 2022/12 | 40.14 | -36.1% |
| 2021/12 | 62.76 | -27.9% |
| 2020/12 | 87.08 | +7.1% |
| 2019/12 | 81.33 | -4.1% |
| 2018/12 | 84.83 | +169.8% |
| 2017/12 | 31.44 | -6.7% |
| 2016/12 | 33.71 | -22.0% |
| 2015/12 | 43.23 | -2.2% |
| 2014/12 | 44.19 | +533.4% |
| 2013/12 | 6.98 | -53.2% |
| 2012/12 | 14.91 | +37.3% |
| 2011/12 | 10.85 | -50.0% |
| 2010/12 | 21.7 | - |