Year	% of population
1990	100
1991	100
1992	100
1993	100
1994	100
1995	100
1996	100
1997	100
1998	100
1999	100
2000	88.1
2001	88.6
2002	89.1
2003	89.6
2004	90.1
2005	90.6
2006	91.2
2007	91.7
2008	92.3
2009	92.9
2010	93.5
2011	94.1
2012	94.7
2013	95.3
2014	95.9
2015	96.6
2016	97.3
2017	98.1
2018	98.7
2019	99.2
2020	99.7
2021	99.8
2022	100