等级 | 范围 | 2017级 | 2018级 | 2019级 |
不及格 | −4.28~−0.72 | 18.27% | 19.30% | 18.72% |
及格 | −0.72~−0.13 | 20.19% | 20.47% | 17.73% |
中 | −0.13~0.46 | 27.88% | 21.05% | 26.60% |
良 | 0.46~1.05 | 25.96% | 30.99% | 24.14% |
优 | 1.05~1.65 | 7.69% | 8.19% | 12.81% |