20-19    Student-teacher Ratio by Level of School
Year	Institutions of Higher Education		Secondary Schools		Primary Schools
	Number of		Number of		Number of
	Teachers	Student-	Teachers	Student-	Teachers	Student-
	( 10 000	teacher	( 10 000	teacher	( 10 000	teacher
	persons )	Ratio	persons )	Ratio	persons )	Ratio
1978	20.6	4.2	328.1	20.2	522.6	28.0
1980	24.7	4.6	317.1	17.9	549.9	26.6
1985	34.4	5.0	296.7	17.2	537.7	24.9
1990	39.5	5.2	349.2	14.6	558.2	21.9
1991	39.1	5.2	355.7	14.7	553.2	22.0
1992	38.8	5.6	362.4	14.8	552.7	22.1
1993	38.8	6.5	366.8	14.7	555.2	22.4
1994	39.6	7.1	375.7	15.2	561.1	22.9
1995	40.1	7.2	388.3	15.9	566.4	23.3
1996	40.3	7.5	404.0	16.4	573.6	23.7
1997	40.5	7.8	418.6	16.7	579.4	24.2
1998	40.7	8.4	431.2	17.0	581.9	23.9
1999	42.6	9.7	445.0	17.6	586.1	23.1
2000	46.3	12.0	458.2	18.2	586.0	22.2
2001	53.2	13.5	472.4	18.5	579.8	21.6
a) Secondary schools in this table don't include  various technical schools and schools for juvenile delinquents.