1968 105000 1969 240000 MAX 1971 1158000 JAN 1974 1650000 MAX 1977 1880000 JAN 1978 2100000 JAN 1979 2800000 JAN 1980 3045000 JAN 1981 3080000 JAN 1982 3420000 AVG 1983 3710000 AVG 1984 3900000 AVG 1985 4500000 AVG 1986 4355000 05 1987 4500000 05 1988 4850000 05 1989 5000000 03-04 1990 5300000 05 1991 6020000 03-04 1992 6180000 03-04 1993 6380000 03-04 1994 6480000 03-04 1995 6530000 03-04 1996 5880000 JAN 1997 4050000 AVG 1998 3600000 AVG 1999 3630000 AVG 2000 3630000 AVG 2001 3400000 AVG 2002 3200000 AVG 2003 3000000 AVG 2004 3000000 AVG 2005 2950000 AVG 2006 2953750 JAN