| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 54.89 | -16.4% |
| 2023/12 | 65.68 | -8.0% |
| 2022/12 | 71.37 | +37.7% |
| 2021/12 | 51.84 | -7.2% |
| 2020/12 | 55.84 | -10.1% |
| 2019/12 | 62.11 | -20.9% |
| 2018/12 | 78.56 | -1.3% |
| 2017/12 | 79.64 | +8.5% |
| 2016/12 | 73.4 | -15.6% |
| 2015/12 | 86.94 | -8.9% |
| 2014/12 | 95.44 | +1.3% |
| 2013/12 | 94.23 | +4.6% |
| 2012/12 | 90.06 | -27.8% |
| 2011/12 | 124.73 | -5.3% |
| 2010/12 | 131.71 | - |