Year	% of population
1990	0
1991	0
1992	0
1993	0
1994	0.064712121
1995	0.053940342
1996	1.796719191
1997	7.954504682
1998	14.65444717
1999	21.60261331
2000	31.74781123
2001	35.46413689
2002	44.15478903
2003	54.53425983
2004	56.09901476
2005	57.7034045
2006	59.36168727
2007	61.07
2008	62.82
2009	62.83
2010	63
2011	64
2012	64.8960101
2013	65.8
2014	66.7
2015	67.60044348
2016	68.50087368
2017	69.48246178