Remedial Grade Freq
1 1  22
1 2   2
1 3   1
1 4   3
1 5   2
1 6   4
1 7   3
1 8   4
2 1 187
2 2  17
2 3  11
2 4   9
2 5  16
2 6   7
2 7   8
2 8   6