| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 195.5 | -22.4% |
| 2023/12 | 251.9 | +86.9% |
| 2022/12 | 134.8 | -15.6% |
| 2021/12 | 159.8 | -36.7% |
| 2020/12 | 252.2 | +18.3% |
| 2019/12 | 213.3 | +186.8% |
| 2018/12 | 74.4 | +0.6% |
| 2017/12 | 74.0 | +77.9% |
| 2016/12 | 41.6 | -6.2% |
| 2015/12 | 44.3 | +17.3% |
| 2014/12 | 37.8 | +3.4% |
| 2013/12 | 36.5 | +0.5% |
| 2012/12 | 36.3 | -11.4% |
| 2011/12 | 41.0 | - |