Year	% of population
1990	100
1991	100
1992	100
1993	100
1994	100
1995	99.99509509944669
1996	99.93654959917411
1997	99.92313026188704
1998	99.92740374154579
1999	99.7198273484645
2000	98.24658342538646
2001	98.34248838388476
2002	98.41649423346983
2003	98.430480427626
2004	98.47950384087655
2005	98.56147901722898
2006	98.60332958724865
2007	98.7201213327376
2008	98.80934931104468
2009	98.92416247193201
2010	99.32662739415979
2011	99.32562733956613
2012	99.65391886513532
2013	99.69636516700889
2014	99.74969439820138
2015	98.32741951696092
2016	99.65546975728303
2017	99.92722653260437
2018	99.94081933601801
2019	99.90653227119266
2020	99.95201788882092
2021	99.97631880183886
2022	99.99540696077622