Subject Wk1 Wk2 Wk3 Wk4 Wk5
1 21 22  8  6  6
2 20 19 10  4  4
3 17 15  5  4  5
4 25 30 13 12 17
5 30 27 13  8  6
6 19 27  8  7  4
7 26 16  5  2  5
8 17 18  8  1  5
9 26 24 14  8  9