| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 594.7 | +2.6% |
| 2023/12 | 579.5 | +22.6% |
| 2022/12 | 472.7 | +4.2% |
| 2021/12 | 453.8 | +92.1% |
| 2020/12 | 236.2 | +45.3% |
| 2019/12 | 162.6 | +24.7% |
| 2018/12 | 130.4 | -4.9% |
| 2017/12 | 137.1 | +24.7% |
| 2016/12 | 109.9 | +29.2% |
| 2015/12 | 85.1 | -3.3% |
| 2014/12 | 88.1 | +34.9% |
| 2013/12 | 65.3 | -11.2% |
| 2012/12 | 73.5 | -10.9% |
| 2011/12 | 82.6 | - |