| （単位：%） | DEレシオ（％） | 前年比（％） |
|---|---|---|
| 2024/12 | 69.2 | -8.8% |
| 2023/12 | 76.0 | -11.1% |
| 2022/12 | 85.5 | -25.4% |
| 2021/12 | 114.6 | -15.2% |
| 2020/12 | 135.1 | -10.5% |
| 2019/12 | 151.0 | +23.0% |
| 2018/12 | 122.8 | -6.2% |
| 2017/12 | 130.9 | -1.9% |
| 2016/12 | 133.5 | -16.8% |
| 2015/12 | 160.4 | +78.6% |
| 2014/12 | 89.8 | +15.3% |
| 2013/12 | 77.9 | -38.1% |
| 2012/12 | 125.8 | -3.0% |
| 2011/12 | 129.7 | - |