Year % of primary school age children 1978 79.58904 1980 75.70157 1981 72.98296 1982 78.48933 1983 74.74958 1984 74.69751 1985 74.16793 1986 74.54775 1987 86.36588 1988 90.31656 1989 95.15574 1990 98.67207 1991 98.93055 1992 95.9447 1993 90.71612 1994 88.29795 1995 88.9665 1996 86.00386 1997 82.4154 1998 82.57322 2007 93.14446 2012 92.02999