| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 47.62 | +6.3% |
| 2023/12 | 44.8 | +21.4% |
| 2022/12 | 36.89 | -7.6% |
| 2021/12 | 39.94 | -11.1% |
| 2020/12 | 44.92 | +20.0% |
| 2019/12 | 37.42 | +7.9% |
| 2018/12 | 34.68 | -4.4% |
| 2017/12 | 36.28 | +16.3% |
| 2016/12 | 31.18 | -4.9% |
| 2015/12 | 32.8 | +52.0% |
| 2014/12 | 21.59 | -4.5% |
| 2013/12 | 22.6 | -11.9% |
| 2012/12 | 25.65 | +66.3% |
| 2011/12 | 15.43 | +267.2% |
| 2010/12 | 4.2 | - |