| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 37.96 | -11.3% |
| 2023/12 | 42.77 | -16.9% |
| 2022/12 | 51.45 | -23.0% |
| 2021/12 | 66.78 | -31.9% |
| 2020/12 | 98.12 | -9.7% |
| 2019/12 | 108.68 | +25.5% |
| 2018/12 | 86.6 | -17.8% |
| 2017/12 | 105.38 | -46.3% |
| 2016/12 | 196.33 | +129.9% |
| 2015/12 | 85.42 | +18.1% |
| 2014/12 | 72.34 | +14.2% |
| 2013/12 | 63.37 | -12.9% |
| 2012/12 | 72.76 | -10.0% |
| 2011/12 | 80.82 | +26.2% |
| 2010/12 | 64.03 | - |