Year Total 1960 86160 1961 108800 1962 96650 1963 180900 1964 141700 1965 187400 1966 201000 1967 204800 1968 273000 1969 296200 1970 260800 1971 224400 1972 275600 1973 223800 1974 288600 1975 507700 1976 720100 1977 737100 1978 802700 1979 884700 1980 975800 1981 1085000 1982 1218000 1983 975300 1984 1154000 1985 1036000 1986 1021000 1987 1601000 1988 2489000 1989 1542000 1990 1990000 1991 1950000 1992 2284000 1993 2919000 1994 2630000 1995 3056000 1996 3480000 1997 3424000 1998 3631000 1999 2982000 2000 2655000 2001 2064000 2002 2896000 2003 3038000 2004 3963000 2005 3402000 2006 3804000 2007 3083000 2008 2861000 2009 3092000 2010 4454000 2011 4477000