| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 213.6 | -16.4% |
| 2023/12 | 255.6 | +17.7% |
| 2022/12 | 217.2 | +5.3% |
| 2021/12 | 206.2 | -19.2% |
| 2020/12 | 255.2 | -0.3% |
| 2019/12 | 256.0 | +13.0% |
| 2018/12 | 226.5 | +39.0% |
| 2017/12 | 163.0 | -3.3% |
| 2016/12 | 168.5 | +27.8% |
| 2015/12 | 131.9 | +51.5% |
| 2014/12 | 87.1 | +202.7% |
| 2013/12 | 28.8 | -33.7% |
| 2012/12 | 43.4 | +24.9% |
| 2011/12 | 34.8 | +28.3% |
| 2010/12 | 27.1 | - |