Year	% of population
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0.001231819
1998	0.004805071
1999	0.008794581
2000	0.025785032
2001	0.140185224
2002	0.439477639
2003	0.538471703
2004	0.791561615
2005	1.292040678
2007	8.66
2016	14.09999994
2017	18.6
2018	24.6
2019	25.9
2020	28.4