Year Total 1990 100000 1991 140000 1992 200000 1993 300000 1994 360000 1995 430000 1996 510000 1997 600000 1998 710000 1999 800000 2000 890000 2001 920000 2002 951000 2003 1123000 2004 1327000 2005 1810000 2006 2121000