| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 33.0 | -49.9% |
| 2023/12 | 65.9 | -33.4% |
| 2022/12 | 98.9 | -20.8% |
| 2021/12 | 124.9 | -9.4% |
| 2020/12 | 137.8 | -34.0% |
| 2019/12 | 208.9 | +28.5% |
| 2018/12 | 162.5 | +63.9% |
| 2017/12 | 99.1 | -18.2% |
| 2016/12 | 121.3 | +1.2% |
| 2015/12 | 119.8 | +4.9% |
| 2014/12 | 114.2 | +6.3% |
| 2013/12 | 107.4 | +10.9% |
| 2012/12 | 96.9 | -10.3% |
| 2011/12 | 108.0 | - |