Year	% of population
1960	0
1965	0
1970	0
1975	0
1976	0
1977	0
1978	0
1979	0
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0.000803592
1997	0.007979439
1998	0.015842776
1999	0.039204469
2000	0.077248447
2001	0.106001245
2002	0.118228412
2003	0.201273197
2004	0.349060462
2005	0.542142866
2006	0.65759259
2007	0.7
2008	0.81
2009	0.9
2010	1
2011	1.11
2012	1.219999945
2013	1.264218111
2014	1.4
2015	2
2016	2.2
2017	2.660748535
2018	2.7
2019	2.731443388
2020	3.787954422
2021	5.804921577