| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 67.74 | -19.0% |
| 2023/12 | 83.6 | +9.0% |
| 2022/12 | 76.73 | -3.8% |
| 2021/12 | 79.77 | -11.3% |
| 2020/12 | 89.94 | -11.1% |
| 2019/12 | 101.2 | +12.3% |
| 2018/12 | 90.13 | -7.0% |
| 2017/12 | 96.87 | -4.5% |
| 2016/12 | 101.42 | -9.7% |
| 2015/12 | 112.31 | +56.8% |
| 2014/12 | 71.63 | -5.3% |
| 2013/12 | 75.6 | -14.1% |
| 2012/12 | 87.99 | +29.3% |
| 2011/12 | 68.03 | -3.6% |
| 2010/12 | 70.59 | - |