Year Total 1965 1165000 1966 1200000 1967 1200000 1968 1200000 1969 1200000 1970 1283000 1971 1239000 1972 1024000 1973 1112000 1974 1054000 1975 842000 1976 850000 1977 915000 1978 892000 1979 987000 1980 1090000 1981 1088000 1982 725000 1983 869000 1984 1172000 1985 1173000 1986 1114000 1987 1148000 1988 1600000 1989 2162000 1990 2604600 1991 2139800 1992 1850200 1993 1866700 1994 2201700 1995 2373600 1996 3289100 1997 4281800 1998 4028700 1999 4157400 2000 3212700 2001 2520600 2002 2540600 2003 2429100 2004 2813700 2005 2757500 2006 3442700 2007 4086100 2008 4369500 2009 3994600 2010 4490900 2011 5759800 2012 6715300 2013 7548400 2014 7614600 2015 7313400 2016 8233700