Year Total 1965 1901200 1966 1914500 1967 1997100 1968 2035300 1969 2133300 1970 2188200 1971 2261000 1972 3732000 1973 3751000 1974 3700000 1975 2822000 1976 3181000 1977 3101000 1978 2773000 1979 2123000 1980 1670000 1981 1654000 1982 1836000 1983 1584000 1984 1350000 1985 1438000 1986 1558000 1987 1021000 1988 920000 1989 826000 1990 1265000 1991 1181000 1992 1709000 1993 1486000 1994 1118000 1995 1283000 1996 1493000 1997 848000 1998 980000 1999 1774000 2000 1740600 2001 1611000 2002 1838400 2003 1747200 2004 1920500 2005 1682800 2006 1839400 2007 2106200 2008 2243500 2009 2145800 2010 2228500 2011 2089200 2012 2013700 2013 2257100 2014 2061100 2015 2245000 2016 2154100