| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 128.0 | +37.9% |
| 2023/12 | 92.9 | +24.7% |
| 2022/12 | 74.5 | -9.9% |
| 2021/12 | 82.6 | +6.8% |
| 2020/12 | 77.4 | +3.2% |
| 2019/12 | 75.0 | +2.4% |
| 2018/12 | 73.2 | -13.6% |
| 2017/12 | 84.7 | -46.5% |
| 2016/12 | 158.3 | -15.5% |
| 2015/12 | 187.3 | -19.9% |
| 2014/12 | 233.8 | -12.6% |
| 2013/12 | 267.6 | -95.8% |
| 2012/12 | 6310.2 | -109.3% |
| 2011/12 | -67675.9 | - |