| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 88.7 | -0.3% |
| 2023/12 | 89.0 | -3.9% |
| 2022/12 | 92.6 | -10.8% |
| 2021/12 | 103.8 | -5.1% |
| 2020/12 | 109.4 | -6.3% |
| 2019/12 | 116.8 | -53.4% |
| 2018/12 | 250.8 | +14.8% |
| 2017/12 | 218.4 | +26.0% |
| 2016/12 | 173.4 | +6.6% |
| 2015/12 | 162.6 | +25.0% |
| 2014/12 | 130.0 | +28.7% |
| 2013/12 | 101.1 | -9.7% |
| 2012/12 | 112.0 | -6.8% |
| 2011/12 | 120.2 | - |