freshmen, hours 0, 0 0, 1 0, 4 0, 4 0, 4 0, 5 0, 5 0, 5 0, 8 0, 8 0, 8 0, 9 0, 10 0, 10 0, 10 0, 10 0, 10 0, 10 0, 10 0, 10 0, 12 0, 12 0, 12 0, 12 0, 12 0, 13 0, 14 0, 14 0, 14 0, 15 0, 15 0, 15 0, 15 0, 15 0, 15 0, 18 0, 18 0, 20 0, 20 0, 20 0, 20 0, 20 0, 20 0, 20 0, 20 0, 25 0, 25 0, 30 0, 30 0, 30 0, 33 0, 35 0, 35 0, 40 0, 40 0, 45 1, 2 1, 2 1, 3 1, 3 1, 4 1, 5 1, 5 1, 5 1, 5 1, 5 1, 6 1, 6 1, 6 1, 6 1, 6 1, 6 1, 6 1, 7 1, 7 1, 7 1, 8 1, 8 1, 8 1, 9 1, 9 1, 10 1, 10 1, 10 1, 10 1, 10 1, 10 1, 10 1, 10 1, 10 1, 10 1, 10 1, 10 1, 10 1, 11 1, 12 1, 12 1, 12 1, 12 1, 12 1, 13 1, 13 1, 14 1, 15 1, 15 1, 15 1, 15 1, 15 1, 18 1, 18 1, 18 1, 19 1, 20 1, 20 1, 24 1, 24 1, 24 1, 25 1, 30 1, 30 1, 30 1, 30 1, 30 1, 35 1, 35