| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 68.07 | +5.5% |
| 2023/12 | 64.53 | -44.2% |
| 2022/12 | 115.69 | +289.0% |
| 2021/12 | 29.74 | +2.9% |
| 2020/12 | 28.91 | -1.2% |
| 2019/12 | 29.26 | -17.4% |
| 2018/12 | 35.44 | +12.2% |
| 2017/12 | 31.6 | -19.3% |
| 2016/12 | 39.14 | -16.2% |
| 2015/12 | 46.74 | -0.2% |
| 2014/12 | 46.83 | -28.7% |
| 2013/12 | 65.64 | +4.3% |
| 2012/12 | 62.94 | -3.3% |
| 2011/12 | 65.12 | -9.3% |
| 2010/12 | 71.83 | - |