Year Total 1965 1287000 1966 1927000 1967 3342000 1968 4942000 1969 6709000 1970 8380000 1971 9461000 1972 9876000 1973 12158000 1974 12550000 1975 14194000 1976 15949000 1977 18984000 1978 21672000 1979 24367000 1980 24123000 1981 23872000 1982 23683000 1983 24711000 1984 24770000 1985 26081000 1986 28352000 1987 29768000 1988 35644000 1989 40959000 1990 49527000 1991 59890000 1992 72310000 1993 79307000 1994 86997000 1995 94845000 1996 101440000 1997 111350000 1998 93910000 1999 100700000 2000 103760000 2001 103520000 2002 105340000 2003 106370000 2004 104680000 2005 104740000 2006 104710000 2007 107650000 2008 103100000 2009 103750000 2010 104960000 2011 105790000 2012 108770000 2013 108290000 2014 107940000 2015 113780000 2016 122150000