Year	Total
1970	100000
1971	185000
1972	248000
1973	380000
1974	355000
1975	318000
1976	590000
1977	777000
1978	941000
1979	1240000
1980	1499000
1981	2208000
1982	2300000
1983	2607000
1984	2508000
1985	2376000
1986	2771000
1987	2744000
1988	3299000
1989	3820000
1990	3637000
1991	3548000
1992	3840000
1993	4376000
1994	3997000
1995	4350000
1996	4893000
1997	4712800
1998	5701000
1999	4109400
2000	10615000
2001	14458000
2002	16238000
2003	20268000
2004	21992000
2005	22543000
2006	26634000
2007	33165000
2008	32546000
2009	23397000
2010	33588000
2011	36521000
2012	38957000
2013	32571000
2014	40543000
2015	45062000
2016	40392000