Year Total 1990 120000 1991 150000 1992 250000 1993 300000 1994 450000 1995 550000 1996 700000 1997 850000 1998 1000000 1999 1100000 2000 1250000 2001 1500000 2002 1800000 2003 2100000 2004 2450000 2005 2800000