Year	Total
1970	372000
1971	444000
1972	427000
1973	418000
1974	430000
1975	531000
1976	576000
1977	572000
1978	598000
1979	553000
1980	594000
1981	682000
1982	716000
1983	472000
1984	637000
1985	497000
1986	527000
1987	524000
1988	494000
1989	419000
1990	401000
1991	376000
1992	339000
1993	357000
1994	373000
1995	361000
1996	366000
1997	217000
1998	368000
1999	370000
2000	311000
2001	333000
2002	398000
2003	471000
2004	774000
2005	1365200
2006	1597700
2007	2408000
2008	3115100
2009	3193300
2010	6514200
2011	10224000
2012	10673000
2013	10973000
2014	11632000
2015	11245000
2016	12601000