| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 55.87 | +6.2% |
| 2023/12 | 52.62 | -30.2% |
| 2022/12 | 75.39 | -9.5% |
| 2021/12 | 83.34 | +98.3% |
| 2020/12 | 42.04 | -20.4% |
| 2019/12 | 52.82 | -6.2% |
| 2018/12 | 56.31 | -25.2% |
| 2017/12 | 75.31 | +150.2% |
| 2016/12 | 30.1 | -23.1% |
| 2015/12 | 39.15 | -26.4% |
| 2014/12 | 53.19 | +80.3% |
| 2013/12 | 29.5 | +34.6% |
| 2012/12 | 21.91 | -32.5% |
| 2011/12 | 32.48 | - |