Frequency of distribution | |||||
G2 | G1 | B2 | B1 | Total | |
WR (n = 64) | 0 | 0 | 9 (14.06%) | 16 (25%) | 22 (34.38%) |
ER (n = 59) | 0 | 0 | 3 (5.08%) | 11 (18.64%) | 12 (20.34%) |
SA (n = 123) | 0 | 0 | 12 (9.76%) | 27 (21.95%) | 34 (27.64%) |