Year Total 1993 1784000000 1994 1970000000 1995 2552000000 1996 3672000000 1997 3051000000 1998 2916000000 1999 2899000000 2000 2994000000 2001 3051000000 2002 3304000000 2003 3419000000 2004 3374000000 2005 3429000000 2006 3312000000 2007 3419000000 2008 3626000000