Year Total 1984 405200 1985 395600 1986 236800 1987 371000 1988 358200 1989 346200 1990 339200 1991 333400 1992 331200 1993 320000 1994 321100 1995 301300 1996 259400 1997 246900 1998 235900 1999 209300 2000 196500 2001 183000 2002 173800