Year Total 1970 706000 1971 833000 1972 842000 1973 819000 1974 752000 1975 1169000 1976 1622000 1977 1060000 1978 1099000 1979 1576000 1980 1153000 1981 558000 1982 612000 1983 423000 1984 531000 1985 765000 1986 1395000 1987 3375000 1988 5040000 1989 5805000 1990 3582000 1991 1566000 1992 2043000 1993 2295000 1994 2853000 1995 2853000 1996 2916000 1997 2745000 1998 2655000 1999 2862000 2000 2835000 2001 2484000 2002 2124000 2003 1404000 2004 900000 2005 1305000 2006 1305000 2007 1314000 2008 1692000 2009 1034100 2010 1172700 2011 788400 2012 581400 2013 1061100 2014 813970 2015 901670 2016 1018000