Year % of GDP 1994 23.856927409233762 1995 19.94479702092984 1996 29.3989955269723 1997 7.541150984484878 1998 5.392829119941268 1999 6.126410283816936 2000 4.201729406314369 2001 8.23999155560531 2002 10.31753645147442 2003 7.838101575197166 2004 8.015644899892512 2005 6.1775660893564694 2006 6.000613698702663 2007 6.752212696422495