Year Total 1965 655000 1966 631000 1967 537000 1968 750000 1969 2458000 1970 5065000 1971 5721000 1972 7057000 1973 8175000 1974 8541000 1975 7791000 1976 7564000 1977 7062000 1978 6469000 1979 7200000 1980 7428000 1981 7158000 1982 6410000 1983 8790000 1984 10074000 1985 11452000 1986 13926000 1987 17506000 1988 22320000 1989 22642000 1990 23380000 1991 24514000 1992 27153000 1993 24810000 1994 27424000 1995 31173000 1996 35364000 1997 36500000 1998 36000000 1999 36700000 2000 36850000 2001 36550000 2002 44600000 2003 42833000 2004 54464000 2005 62854000 2006 69628000 2007 82549000 2008 93539000 2009 87615000 2010 90526000 2011 83795000 2012 86878000 2013 87308000 2014 83023000 2015 88701000 2016 87897000