Year	% of total secondary
1998	7.51909017562866
1999	7.50710010528564
2000	7.44478988647461
2001	7.16656017303467
2002	6.95453977584839
2003	6.93313980102539
2004	6.76697015762329
2005	6.96829986572266
2006	7.28163003921509
2007	7.70993995666504
2008	8.08228015899658
2009	8.23532009124756
2010	8.40190982818604
2011	8.54574966430664
2012	8.80642032623291
2013	9.19662952423096
2014	9.52620983123779
2015	9.61392021179199
2016	9.96238994598389
2017	10.2213296890259
2018	10.2325000762939
2019	10.4255504608154
2020	11.2240695953369
2021	11.0210199356079
2022	11.1413602828979