Year	Persons (Millions)
1980	2.589
1981	2.594
1982	2.606
1983	2.622
1984	2.638
1985	2.652
1986	2.661
1987	2.668
1988	2.685
1989	2.726
1990	2.803
1991	2.922
1992	3.076
1993	3.246
1994	3.403
1995	3.528
1996	3.611
1997	3.658
1998	3.694
1999	3.748
2000	3.843
2001	3.991
2002	4.182
2003	4.388
2004	4.569
2005	4.699
2006	4.760
2007	4.767
2008	4.765
2009	4.813
2010	4.953
2011	5.202
2012	5.538
2013	5.913
2014	6.261
2015	6.533
2016	6.714
2017	6.819
2018	6.859
2019	6.856
2020	6.825
2021	6.725
2022	6.633