Year	Number of People
1990	3822813
1991	3855241
1992	3898223
1993	3942353
1994	3977770
1995	3938573
1996	3951731
1997	3957625
1998	3959596
1999	3962104
2000	3966301
2001	3976219
2002	3989274
2003	3997403
2004	4004805
2005	4009310
2006	4010029
2007	4010264
2008	4009546
2009	4009752
2010	4009779
2011	3994308
2012	3985121
2013	3973872
2014	3963388
2015	3951845
2016	3939250
2017	3928397