| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -1012.0 | +28.2% |
| 2023/12 | -789.4 | +32.0% |
| 2022/12 | -598.1 | -22.8% |
| 2021/12 | -774.2 | +61.8% |
| 2020/12 | -478.5 | +14.9% |
| 2019/12 | -416.3 | -16.2% |
| 2018/12 | -496.5 | -45.1% |
| 2017/12 | -903.8 | -23.2% |
| 2016/12 | -1177.5 | -446.0% |
| 2015/12 | 340.3 | +192.9% |
| 2014/12 | 116.2 | +31.7% |
| 2013/12 | 88.3 | -1.0% |
| 2012/12 | 89.1 | +2.6% |
| 2011/12 | 86.9 | +10.5% |
| 2010/12 | 78.6 | - |