| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | -10.8 | +24.4% |
| 2023/12 | -8.7 | -63.7% |
| 2022/12 | -24.0 | -184.7% |
| 2021/12 | 28.3 | -392.3% |
| 2020/12 | -9.7 | +55.5% |
| 2019/12 | -6.2 | -19.6% |
| 2018/12 | -7.7 | -96.4% |
| 2017/12 | -215.0 | -35.6% |
| 2016/12 | -334.0 | -306.4% |
| 2015/12 | 161.9 | +518.2% |
| 2014/12 | 26.2 | -133.3% |
| 2013/12 | -78.5 | +6672.0% |
| 2012/12 | -1.2 | +22.2% |
| 2011/12 | -0.9 | - |