Year Total 1960 1035000 1961 1025000 1962 980700 1963 962500 1964 952400 1965 1226000 1966 1359000 1967 1317000 1968 1343000 1969 1128000 1970 1507000 1971 1157000 1972 1135000 1973 1310000 1974 1517000 1975 1466000 1976 1191000 1977 1511000 1978 1579000 1979 1580000 1980 1640000 1981 1712000 1982 1697000 1983 1608000 1984 1588000 1985 1494000 1986 1596000 1987 1749000 1988 1725000 1989 1567000 1990 1498000 1991 1280000 1992 1496000 1993 1537000 1994 1714000 1995 1873000 1996 1888000 1997 1492000 1998 1480000 1999 1689000 2000 1869000 2001 1955000 2002 1988000 2003 1656000 2004 1812000 2005 1684000 2006 1714000 2007 1797000 2008 1801000 2009 1604000 2010 1756000 2011 1580000