Year	Persons (Millions)
1980	22.442
1981	22.576
1982	22.683
1983	22.775
1984	22.868
1985	22.971
1986	23.093
1987	23.224
1988	23.346
1989	23.431
1990	23.459
1991	23.423
1992	23.333
1993	23.205
1994	23.064
1995	22.927
1996	22.800
1997	22.679
1998	22.565
1999	22.458
2000	22.455
2001	22.430
2002	21.833
2003	21.628
2004	21.521
2005	21.382
2006	21.257
2007	21.131
2008	20.635
2009	20.440
2010	20.295
2011	20.199
2012	20.096
2013	20.020
2014	19.947
2015	19.871
2016	19.761
2017	19.644
2018	19.533
2019	19.414
2020	19.329
2021	19.202
2022	19.042
2023	19.030
2024	18.944
2025	18.832
2026	18.715
2027	18.593
2028	18.467
2029	18.342