| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 103.1 | -4.9% |
| 2023/12 | 108.4 | -4.1% |
| 2022/12 | 113.1 | -31.0% |
| 2021/12 | 163.9 | -65.8% |
| 2020/12 | 478.7 | -17.3% |
| 2019/12 | 578.9 | +35.9% |
| 2018/12 | 426.0 | +71.5% |
| 2017/12 | 248.4 | +180.2% |
| 2016/12 | 88.6 | +12.0% |
| 2015/12 | 79.2 | +11.2% |
| 2014/12 | 71.2 | +44.7% |
| 2013/12 | 49.2 | +0.6% |
| 2012/12 | 48.9 | -17.6% |
| 2011/12 | 59.4 | +30.1% |
| 2010/12 | 45.7 | - |