Year Total 1965 1742000 1966 1616900 1967 1555600 1968 1873500 1969 2247500 1970 2273700 1971 2015800 1972 2238500 1973 2486600 1974 2534200 1975 2296100 1976 3097000 1977 3123900 1978 4213600 1979 4060400 1980 4609600 1981 2830200 1982 3140900 1983 3413100 1984 3931800 1985 4985400 1986 4558100 1987 5106900 1988 5112200 1989 5001000 1990 5265900 1991 5260300 1992 4787600 1993 5475300 1994 6668700 1995 5899000 1996 7029000 1997 6657600 1998 5463300 1999 5293700 2000 5015200 2001 6061000 2002 6585600 2003 8219500 2004 7384300 2005 4743600 2006 7407900 2007 6995100 2008 5334800 2009 5373100 2010 6786300 2011 5513100 2012 4514300 2013 4996600 2014 4467300 2015 3785800 2016 4098100