Table 1.

Studied population in the years 1994, 1998 and 2002, by gender and age group

Years of the survey		Gender		Age group			Total
		Boys	Girls	11-year-olds	13-year-olds	15-year-olds
1994	N	2 429	2 999	1 783	1 886	1 759	5 428
	%	44.8	55.2	32.9	34,7	32,4	100.0
1998	N	2 150	2 363	1 566	1 512	1 435	4 513
	%	47.6	52.4	34.7	33.5	31.8	100.0
2002	N	2 887	2 758	1 867	1 873	1 905	5 645
	%	51.1	48.9	33.1	33.2	33.7	100.0
Total	N	7 466	8 120	5 216	5 271	5 099	15 586
	%	47.9	52.1	33.5	33.8	32.7	100.0