Year	Total
1965	4952000
1966	5607000
1967	5349000
1968	5050000
1969	5274000
1970	5629000
1971	5689000
1972	5831000
1973	7374000
1974	7605000
1975	8035000
1976	8957000
1977	9778000
1978	9894000
1979	11843000
1980	13199000
1981	15244000
1982	15450000
1983	16491000
1984	19867000
1985	22022000
1986	23331000
1987	23639000
1988	25162000
1989	24493000
1990	24385000
1991	24535000
1992	23618000
1993	25882000
1994	26701000
1995	28120000
1996	32237000
1997	34758000
1998	36082000
1999	38216000
2000	43034000
2001	45711000
2002	49095000
2003	51113000
2004	53125000
2005	54770000
2006	54788000
2007	59654000
2008	66060000
2009	68604000
2010	75896000
2011	83640000
2012	80978000
2013	81915000
2014	84612000
2015	85473000
2016	81584000