| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 2.0 | +37.7% |
| 2023/12 | 1.4 | +681.4% |
| 2022/12 | 0.2 | -84.3% |
| 2021/12 | 1.2 | +3.0% |
| 2020/12 | 1.1 | +474.9% |
| 2019/12 | 0.2 | -95.4% |
| 2018/12 | 4.3 | +2630.6% |
| 2017/12 | 0.2 | -98.3% |
| 2016/12 | 9.3 | +254.6% |
| 2015/12 | 2.6 | +64.9% |
| 2014/12 | 1.6 | -93.8% |
| 2013/12 | 25.7 | +6641.2% |
| 2012/12 | 0.4 | +103.3% |
| 2011/12 | 0.2 | -92.2% |
| 2010/12 | 2.4 | - |