| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 36.16 | +4.4% |
| 2023/12 | 34.64 | -8.3% |
| 2022/12 | 37.77 | -23.3% |
| 2021/12 | 49.26 | -31.0% |
| 2020/12 | 71.41 | +6.4% |
| 2019/12 | 67.09 | +11.1% |
| 2018/12 | 60.4 | -15.0% |
| 2017/12 | 71.07 | -11.7% |
| 2016/12 | 80.52 | -16.8% |
| 2015/12 | 96.83 | -5.4% |
| 2014/12 | 102.36 | +23.7% |
| 2013/12 | 82.74 | -9.6% |
| 2012/12 | 91.55 | -10.9% |
| 2011/12 | 102.77 | -9.9% |
| 2010/12 | 114.05 | - |