21-18  Student-teacher Ratio by Level of School                            
               
  Regular Institutions of Higher Education Regular Secondary Schools Primary Schools  
Year Number of   Number of   Number of    
  Full-time Student- Full-time Student- Full-time Student-  
  Teachers teacher Teachers teacher Teachers teacher  
  (10 000 persons) Ratio (10 000 persons) Ratio (10 000 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
1989 39.7 5.2 342.3 14.8 554.4 22.3
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 13.5 486.6 18.3 579.8 21.6
2002 61.8 14.6 489.4 18.7 577.9 21.0
2003 72.5 15.3 502.5 18.9 570.3 20.5
             
a) Secondary schools in this table don't include  various technical schools and schools for juvenile delinquents.