| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 51.11 | -8.6% |
| 2023/12 | 55.9 | -19.9% |
| 2022/12 | 69.83 | -20.0% |
| 2021/12 | 87.28 | +19.4% |
| 2020/12 | 73.1 | -10.1% |
| 2019/12 | 81.3 | +13.1% |
| 2018/12 | 71.87 | -2.2% |
| 2017/12 | 73.45 | +28.2% |
| 2016/12 | 57.31 | -3.7% |
| 2015/12 | 59.53 | +17.0% |
| 2014/12 | 50.86 | +2.4% |
| 2013/12 | 49.69 | -12.0% |
| 2012/12 | 56.48 | +687.7% |
| 2011/12 | 7.17 | +325.7% |
| 2010/12 | 1.68 | - |