Year	% of population
1990	99.8532638549805
1991	99.8843765258789
1992	99.9150314331055
1993	99.9449234008789
1994	99.9716415405273
1995	100
1996	100
1997	100
1998	100
1999	100
2000	100
2001	100
2002	99.9
2003	99.9
2004	99.8
2005	99.8
2006	99.7
2007	100
2008	100
2009	100
2010	100
2011	100
2012	100
2013	100
2014	100
2015	100
2016	100
2017	100
2018	100
2019	100
2020	100
2021	100
2022	100