Year	Total
1965	71000
1966	62000
1967	50000
1968	43000
1969	24000
1970	19000
1971	14000
1972	336000
1973	2091000
1974	2455000
1975	1789000
1976	2100000
1977	1639000
1978	2430000
1979	2762000
1980	3168000
1981	4101000
1982	4553000
1983	5365000
1984	6025000
1985	5937000
1986	5951000
1987	6317000
1988	7038000
1989	7962000
1990	8029000
1991	8054000
1992	8638000
1993	9538000
1994	9562000
1995	9267000
1996	10359000
1997	11586000
1998	13599000
1999	13727000
2000	13518000
2001	12544000
2002	12049000
2003	11006000
2004	11470000
2005	12567000
2006	14199000
2007	11484000
2008	12198000
2009	14093000
2010	16042000
2011	15318000
2012	14294000
2013	12601000
2014	13384000
2015	12929000
2016	11950000