Year % of primary school age children 1971 91.92808 1972 92.21438 1973 93.15402 1974 94.61104 1975 94.78449 1976 94.74861 1977 94.11286 1978 93.44522 1979 92.69796 1980 91.3864 1981 92.6622 1982 93.0548 1983 93.85168 1984 93.81368 1985 93.73216 1986 92.84476 1987 90.81067 1988 91.53878 1989 91.08772 1990 91.02958 1991 90.72111 1992 88.79906 1993 87.292 1994 87.01638 1995 87.72608 1996 88.08355 1997 89.38018 1998 96.73342 1999 97.624 2000 98.96482 2001 97.53443 2002 97.89571 2003 97.79895 2004 97.97075 2005 96.84383 2006 96.77148 2007 96.29994 2010 97.72998 2011 97.78604 2012 98.49228 2013 98.11562 2014 96.89673 2015 97.54096 2016 97.95828 2017 97.99765