| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 39.29 | +17.0% |
| 2023/12 | 33.59 | +15.3% |
| 2022/12 | 29.12 | -31.1% |
| 2021/12 | 42.25 | -49.6% |
| 2020/12 | 83.89 | +13.4% |
| 2019/12 | 73.95 | -26.4% |
| 2018/12 | 100.51 | +76.0% |
| 2017/12 | 57.11 | -28.5% |
| 2016/12 | 79.89 | +12.6% |
| 2015/12 | 70.98 | +17.3% |
| 2014/12 | 60.49 | +63.6% |
| 2013/12 | 36.97 | +29.2% |
| 2012/12 | 28.62 | -68.7% |
| 2011/12 | 91.5 | - |