Year	% of total secondary
2001	91.4125671386719
2002	91.4607086181641
2003	91.6290588378906
2004	91.7969284057617
2005	91.3434524536133
2006	92.2435836791992
2007	92.283203125
2008	91.7881698608398
2009	91.8403015136719
2010	91.7733612060547
2011	91.5695266723633
2012	92.3839111328125