| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 137.2 | -1.3% |
| 2023/12 | 139.0 | +3.3% |
| 2022/12 | 134.6 | +7.2% |
| 2021/12 | 125.5 | -7.5% |
| 2020/12 | 135.7 | +5.8% |
| 2019/12 | 128.3 | +9.0% |
| 2018/12 | 117.7 | +0.3% |
| 2017/12 | 117.4 | +28.7% |
| 2016/12 | 91.2 | +1.1% |
| 2015/12 | 90.2 | -14.2% |
| 2014/12 | 105.2 | -1.9% |
| 2013/12 | 107.3 | -14.4% |
| 2012/12 | 125.4 | -30.4% |
| 2011/12 | 180.2 | -21.6% |
| 2010/12 | 229.9 | - |