Year	Total
1971	1237000
1972	1320000
1973	1392000
1974	1437000
1975	1301000
1976	1479000
1977	1650000
1978	1397000
1979	1546000
1980	1452000
1981	2115000
1982	1967000
1983	1783000
1984	2029000
1985	2256000
1986	1721000
1987	1577000
1988	1793000
1989	2092000
1990	2019000
1991	1879000
1992	2250000
1993	2256000
1994	1724000
1995	2367000
1996	2704000
1997	2273000
1998	2117000
1999	2819000
2000	2849000
2001	2451000
2002	2145000
2003	1709000
2004	2167000
2005	2378000
2006	2613000
2007	2345000
2008	3369000
2009	2297000
2010	3192000
2011	3078000