Year	Total
1950	120700
1951	122100
1952	125000
1953	128000
1954	131100
1955	134200
1956	137400
1957	140700
1958	144000
1959	147400
1960	150800
1961	154400
1962	157900
1963	161500
1964	165100
1965	168800
1966	172300
1967	175800
1968	179200
1969	182500
1970	185900
1971	189200
1972	192700
1973	196300
1974	200000
1975	204000
1976	208200
1977	212700
1978	217400
1979	222300
1980	227500
1981	233100
1982	239100
1983	245400
1984	251600
1985	257200
1986	261800
1987	265000
1988	266800
1989	267100
1990	266300
1991	264800
1992	263200
1993	262100
1994	261900
1995	262900
1996	265300
1997	268800
1998	273400
1999	279100
2000	285800
2001	293500
2002	301900
2003	311000
2004	320600
2005	330700
2006	341200
2007	352300
2008	363800
2009	375600
2010	387600
2011	399600
2012	411600
2013	423500
2014	434900
2015	445800