| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 138.3 | +17.5% |
| 2023/12 | 117.7 | +16.0% |
| 2022/12 | 101.5 | -3.2% |
| 2021/12 | 104.8 | -60.7% |
| 2020/12 | 266.3 | +92.7% |
| 2019/12 | 138.2 | +21.2% |
| 2018/12 | 114.1 | -13.0% |
| 2017/12 | 131.2 | -17.6% |
| 2016/12 | 159.2 | 0.0% |
| 2015/12 | 159.1 | +138.8% |
| 2014/12 | 66.6 | +6.2% |
| 2013/12 | 62.8 | -12.2% |
| 2012/12 | 71.5 | +31.4% |
| 2011/12 | 54.4 | -8.9% |
| 2010/12 | 59.7 | - |