| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 72.98 | -14.6% |
| 2023/12 | 85.44 | +7.9% |
| 2022/12 | 79.15 | +48.7% |
| 2021/12 | 53.22 | -17.8% |
| 2020/12 | 64.79 | -8.2% |
| 2019/12 | 70.6 | -20.5% |
| 2018/12 | 88.78 | -2.4% |
| 2017/12 | 90.96 | +2.6% |
| 2016/12 | 88.64 | -11.2% |
| 2015/12 | 99.84 | +4.5% |
| 2014/12 | 95.54 | +45.1% |
| 2013/12 | 65.86 | +28.0% |
| 2012/12 | 51.47 | -29.6% |
| 2011/12 | 73.07 | +7.6% |
| 2010/12 | 67.88 | - |