Year	% of total secondary
2000	16.8588695526123
2001	15.4681596755981
2002	14.3961400985718
2003	13.6233901977539
2004	13.4556703567505
2005	13.5173997879028
2006	13.2427797317505
2007	13.4919300079346
2008	13.5174999237061
2009	13.444299697876
2010	12.6476001739502
2011	12.7544603347778
2012	12.6332702636719
2013	12.5263500213623
2014	12.1895503997803
2015	11.8986902236938
2016	11.7860698699951
2017	11.683819770813
2018	11.499119758606
2019	11.3390398025513
2020	11.1989698410034
2021	10.2124795913696
2022	10.3918104171753
