| DEレシオ（％） | 前年比（％） | |
|---|---|---|
| 2024/12 | 26.94 | +62.5% |
| 2023/12 | 16.57 | -3.8% |
| 2022/12 | 17.23 | -35.3% |
| 2021/12 | 26.62 | -48.0% |
| 2020/12 | 51.18 | -9.7% |
| 2019/12 | 56.71 | -3.4% |
| 2018/12 | 58.72 | -2.6% |
| 2017/12 | 60.3 | +1.8% |
| 2016/12 | 59.22 | -41.0% |
| 2015/12 | 100.35 | +22.7% |
| 2014/12 | 81.76 | +57.2% |
| 2013/12 | 52.03 | +2.0% |
| 2012/12 | 51.0 | +13.0% |
| 2011/12 | 45.14 | -13.3% |
| 2010/12 | 52.06 | - |