| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 167.3 | +76.5% |
| 2023/12 | 94.8 | -33.9% |
| 2022/12 | 143.4 | +25.0% |
| 2021/12 | 114.7 | -136.9% |
| 2020/12 | -310.8 | +85.5% |
| 2019/12 | -167.6 | +6.0% |
| 2018/12 | -158.1 | -0.6% |
| 2017/12 | -159.1 | -15.7% |
| 2016/12 | -188.8 | -0.9% |
| 2015/12 | -190.5 | -27.5% |
| 2014/12 | -262.7 | -0.6% |
| 2013/12 | -264.2 | -30.0% |
| 2012/12 | -377.3 | -114.0% |
| 2011/12 | 2696.2 | - |