Year	% of population
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0.090971944
1997	0.21438525
1998	1.316164696
1999	3.448900232
2000	6.357063545
2001	6.251588946
2002	8.200216486
2003	14.12429379
2004	17.88453743
2005	21.54218547
2006	25.10796425
2007	28.59
2008	33.87
2009	44.6
2010	49
2011	49
2012	52.87663059
2013	56.8
2014	60.68
2015	64.56020975
2016	68.44041949
2017	72.70389531