| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 89.0 | -55.6% |
| 2023/12 | 200.4 | -33.7% |
| 2022/12 | 302.3 | -26.6% |
| 2021/12 | 411.9 | -20.8% |
| 2020/12 | 519.7 | -171.1% |
| 2019/12 | -730.9 | -1097.7% |
| 2018/12 | 73.3 | -13.8% |
| 2017/12 | 84.9 | +14.9% |
| 2016/12 | 73.9 | +2.0% |
| 2015/12 | 72.5 | +11.0% |
| 2014/12 | 65.3 | -3.2% |
| 2013/12 | 67.5 | -5.2% |
| 2012/12 | 71.2 | +24.8% |
| 2011/12 | 57.1 | -12.9% |
| 2010/12 | 65.5 | - |