Table 2.

Age distribution of male and female subjects

Age (years)	Male (N)	Female (N)
10	10	5
11	9	9
12	8	14
13	8	19
14	9	9
15	18	15
16	16	34
17	22	20
18	23	20
19	13	15
20	15	20
21	13	20
22	23	22
23	20	15
24	12	15
25	8	11
26	10	8
27	7	4
28	2	3
29	5	3
Total	251	281