| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 63.7 | +29.1% |
| 2023/12 | 49.3 | +0.1% |
| 2022/12 | 49.3 | -17.2% |
| 2021/12 | 59.5 | -63.8% |
| 2020/12 | 164.4 | +30.8% |
| 2019/12 | 125.7 | -8.2% |
| 2018/12 | 136.9 | +8.7% |
| 2017/12 | 125.9 | -17.0% |
| 2016/12 | 151.7 | +13.9% |
| 2015/12 | 133.1 | +8.6% |
| 2014/12 | 122.6 | -4.5% |
| 2013/12 | 128.4 | +17.3% |
| 2012/12 | 109.4 | -62.0% |
| 2011/12 | 287.9 | - |