Year current US$ 1995 309000000 1996 312000000 1997 314000000 1998 372000000 1999 380000000 2000 386000000 2001 383000000 2002 415000000 2003 486000000 2004 558000000 2005 635000000 2006 702000000 2007 848000000 2008 881000000