Year per person 1990 278.2 1991 273.9 1992 277.6 1993 326 1994 263.8 1995 256.3 1996 235.7 1997 192 1998 253.1 1999 228.1 2000 271.4 2001 281.6 2002 278.8 2003 276.2 2004 299.4 2005 316.3 2006 330.6 2007 353.8 2008 351.2