| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 42.49 | -8.5% |
| 2023/12 | 46.46 | +103.0% |
| 2022/12 | 22.88 | +63.1% |
| 2021/12 | 14.03 | -16.9% |
| 2020/12 | 16.89 | -11.2% |
| 2019/12 | 19.02 | -17.6% |
| 2018/12 | 23.07 | +16.5% |
| 2017/12 | 19.81 | +3.7% |
| 2016/12 | 19.1 | -3.1% |
| 2015/12 | 19.72 | +31.8% |
| 2014/12 | 14.96 | -17.7% |
| 2013/12 | 18.18 | +13.4% |
| 2012/12 | 16.04 | -12.7% |
| 2011/12 | 18.38 | - |