Year	% of total secondary
1998	37.5445289611816
1999	38.577278137207
2000	38.5231895446777
2001	37.4920387268066
2002	37.8480491638184
2003	36.5002403259277
2004	34.2199211120605
2005	33.5836906433105
2006	32.7596893310547
2007	32.5246696472168
2008	31.0391902923584
2009	31.5137405395508
2010	31.2446002960205
2011	30.7745494842529
2012	30.949649810791
2013	32.3133010864258
2014	32.9374008178711
2015	33.3923988342285
2016	34.2138900756836
2017	33.6058807373047
2018	33.6164512634277
2019	33.3176383972168
2020	33.2474708557129
2021	32.788688659668