| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 70.7 | -8.5% |
| 2023/12 | 77.3 | -29.9% |
| 2022/12 | 110.2 | +0.8% |
| 2021/12 | 109.4 | +73.0% |
| 2020/12 | 63.2 | -48.1% |
| 2019/12 | 121.8 | -58.6% |
| 2018/12 | 294.1 | +29.0% |
| 2017/12 | 228.0 | +7.1% |
| 2016/12 | 212.9 | +66.9% |
| 2015/12 | 127.6 | -2.3% |
| 2014/12 | 130.7 | +51.8% |
| 2013/12 | 86.1 | +5.0% |
| 2012/12 | 82.0 | -7.3% |
| 2011/12 | 88.4 | +26.9% |
| 2010/12 | 69.7 | - |