| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 92.1 | -5.0% |
| 2023/12 | 96.9 | +24.4% |
| 2022/12 | 78.0 | +4.2% |
| 2021/12 | 74.8 | -4.1% |
| 2020/12 | 77.9 | +4.8% |
| 2019/12 | 74.3 | -3.7% |
| 2018/12 | 77.2 | -0.2% |
| 2017/12 | 77.4 | -4.3% |
| 2016/12 | 80.9 | -3.4% |
| 2015/12 | 83.7 | +2.5% |
| 2014/12 | 81.7 | -6.2% |
| 2013/12 | 87.1 | -0.1% |
| 2012/12 | 87.2 | -2.6% |
| 2011/12 | 89.6 | -14.6% |
| 2010/12 | 104.9 | - |