| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 102.4 | +165.2% |
| 2023/12 | 38.6 | -26.9% |
| 2022/12 | 52.8 | -41.8% |
| 2021/12 | 90.7 | -60.6% |
| 2020/12 | 230.2 | -61.0% |
| 2019/12 | 590.7 | +19.7% |
| 2018/12 | 493.4 | -195.1% |
| 2017/12 | -518.8 | +217.4% |
| 2016/12 | -163.5 | +9.7% |
| 2015/12 | -149.0 | -25.1% |
| 2014/12 | -199.0 | -550.1% |
| 2013/12 | 44.2 | -37.2% |
| 2012/12 | 70.4 | +34.5% |
| 2011/12 | 52.3 | - |