Year per person 1990 482.9 1991 490 1992 452.7 1993 336.4 1994 376.5 1995 466.7 1996 444.3 1997 444.3 1998 460.5 1999 479.3 2000 500.5 2001 525.5 2002 562.9 2003 611.8 2004 636.2 2005 686.5 2006 759.8 2007 794 2008 904.7