Year Total 1990 175000 1991 200000 1992 230000 1993 265000 1994 300000 1995 350000 1996 370000 1997 470000 1998 550000 1999 640000 2000 750000 2001 860000 2002 900000 2003 942000 2004 986000 2005 1020000 2006 1045000