Year	% of population
1990	27.3
1991	35.2346000671387
1992	36.0994606018066
1993	36.9636459350586
1994	37.8264694213867
1995	38.6872520446777
1996	39.5453186035156
1997	40.3999824523926
1998	41.2505683898926
1999	44.9
2000	43.2
2001	43.9
2002	44.6
2003	52.2
2004	46.1
2005	46.8
2006	47.6
2007	50.1
2008	50.3
2009	50
2010	48
2011	55.9
2012	53
2013	55.6
2014	54.2
2015	52.5
2016	59.3
2017	54.4
2018	56.5
2019	55.4
2020	55.4
2021	59.5
2022	60.5