Table 1.

Number of respondents, response rate, and date of fieldwork by gender and country in 1993/04, 1997/98, and 2001/02

Year of the survey, country	Number of respondents			Response rate	Date of fieldwork
	Boys	Girls	Total
1993/94
Estonia	549	630	1179	92%	February, 1994
Latvia	472	791	1263	92%	November-December, 1993
Lithuania	788	971	1759	94%	March-April, 1994
1997/98
Estonia	252	335	587	90%	February-March, 1998
Latvia	508	757	1265	94%	November-December, 1997
Lithuania	636	799	1435	95%	March-April, 1994
2001/02
Estonia	619	648	1267	94%	October-November, 2001
Latvia	481	631	1112	94%	November-December, 2001
Lithuania	982	923	1905	96%	March-April, 1994
Total	5287	6485	11772