| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 89.75 | -22.9% |
| 2023/12 | 116.43 | +17.1% |
| 2022/12 | 99.4 | +12.4% |
| 2021/12 | 88.42 | -4.6% |
| 2020/12 | 92.68 | +3.0% |
| 2019/12 | 89.97 | +8.4% |
| 2018/12 | 82.98 | +43.2% |
| 2017/12 | 57.96 | -4.3% |
| 2016/12 | 60.56 | +27.2% |
| 2015/12 | 47.63 | +60.9% |
| 2014/12 | 29.61 | +124.4% |
| 2013/12 | 13.19 | -1.7% |
| 2012/12 | 13.42 | -29.9% |
| 2011/12 | 19.15 | - |