| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 68.47 | +7.4% |
| 2023/12 | 63.75 | +117.8% |
| 2022/12 | 29.27 | -14.3% |
| 2021/12 | 34.14 | -0.1% |
| 2020/12 | 34.17 | +10.5% |
| 2019/12 | 30.92 | +13.0% |
| 2018/12 | 27.36 | +21.0% |
| 2017/12 | 22.61 | -14.6% |
| 2016/12 | 26.48 | -11.1% |
| 2015/12 | 29.78 | -9.9% |
| 2014/12 | 33.06 | -3.8% |
| 2013/12 | 34.35 | +7.5% |
| 2012/12 | 31.94 | +21.5% |
| 2011/12 | 26.29 | -7.2% |
| 2010/12 | 28.33 | - |