| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 41.31 | -9.4% |
| 2023/12 | 45.58 | -2.2% |
| 2022/12 | 46.62 | -23.2% |
| 2021/12 | 60.74 | +12.0% |
| 2020/12 | 54.21 | +0.8% |
| 2019/12 | 53.8 | +22.5% |
| 2018/12 | 43.91 | -38.6% |
| 2017/12 | 71.47 | -24.4% |
| 2016/12 | 94.53 | +340.6% |
| 2015/12 | 21.45 | -10.1% |
| 2014/12 | 23.86 | -24.5% |
| 2013/12 | 31.58 | -22.6% |
| 2012/12 | 40.79 | -6.3% |
| 2011/12 | 43.53 | - |