| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 40.27 | +3.4% |
| 2023/12 | 38.94 | -7.6% |
| 2022/12 | 42.15 | -12.9% |
| 2021/12 | 48.39 | -41.2% |
| 2020/12 | 82.35 | -8.8% |
| 2019/12 | 90.26 | +52.8% |
| 2018/12 | 59.06 | +2.8% |
| 2017/12 | 57.42 | +2.1% |
| 2016/12 | 56.23 | -5.0% |
| 2015/12 | 59.2 | +30.1% |
| 2014/12 | 45.51 | -22.8% |
| 2013/12 | 58.97 | -18.5% |
| 2012/12 | 72.35 | +43.8% |
| 2011/12 | 50.31 | -22.4% |
| 2010/12 | 64.87 | - |