Year Total 1960 268100 1961 295900 1962 303600 1963 346300 1964 366200 1965 341800 1966 453700 1967 471300 1968 446100 1969 542600 1970 499100 1971 530500 1972 609300 1973 629800 1974 673100 1975 551200 1976 411600 1977 856900 1978 929600 1979 964100 1980 689200 1981 431600 1982 595100 1983 690100 1984 839600 1985 919400 1986 732100 1987 787000 1988 1052000 1989 500300 1990 787400 1991 777600 1992 399500 1993 734100 1994 916400 1995 717400 1996 1269000 1997 1127000 1998 1116000 1999 626500 2000 973600 2001 1207000 2002 670700 2003 1352000 2004 848600 2005 406800 2006 946000 2007 867800 2008 584500 2009 712300 2010 1388000 2011 992700