Year	Total
1970	10818000
1971	11023000
1972	11683000
1973	12618000
1974	12595000
1975	12005000
1976	12900000
1977	11317000
1978	11303000
1979	11028000
1980	10263000
1981	11501000
1982	11809000
1983	10589000
1984	11207000
1985	11538000
1986	12930000
1987	13252000
1988	13469000
1989	13767000
1990	14030000
1991	14111000
1992	14734000
1993	15682000
1994	16546000
1995	16347000
1996	16364000
1997	15895000
1998	15682000
1999	14418000
2000	13722000
2001	12575000
2002	12064000
2003	11455000
2004	10693000
2005	9959000
2006	9058000
2007	7949200
2008	7579700
2009	6562700
2010	6884400
2011	6919900
2012	7047100
2013	6334900
2014	5855200
2015	5545700
2016	4737500