| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 66.6 | -50.1% |
| 2023/12 | 133.6 | -6.9% |
| 2022/12 | 143.5 | +107.6% |
| 2021/12 | 69.1 | -9.3% |
| 2020/12 | 76.2 | +4.4% |
| 2019/12 | 73.1 | -17.0% |
| 2018/12 | 88.0 | -7.7% |
| 2017/12 | 95.4 | +17.4% |
| 2016/12 | 81.3 | -14.2% |
| 2015/12 | 94.7 | +26.7% |
| 2014/12 | 74.7 | +0.8% |
| 2013/12 | 74.1 | +11.6% |
| 2012/12 | 66.4 | -30.8% |
| 2011/12 | 95.9 | +3.0% |
| 2010/12 | 93.1 | - |