| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 360.9 | -2.4% |
| 2023/12 | 369.6 | +91.5% |
| 2022/12 | 193.0 | +115.5% |
| 2021/12 | 89.6 | -21.3% |
| 2020/12 | 113.8 | -37.8% |
| 2019/12 | 182.8 | +82.1% |
| 2018/12 | 100.4 | +24.7% |
| 2017/12 | 80.5 | +37.7% |
| 2016/12 | 58.5 | -16.8% |
| 2015/12 | 70.3 | +384.0% |
| 2014/12 | 14.5 | -1.5% |
| 2013/12 | 14.8 | -4.2% |
| 2012/12 | 15.4 | -20.7% |
| 2011/12 | 19.4 | - |