Year	% of GDP
1994	5.1258965866825035
1995	4.622521843101923
1996	7.043421655105269
1997	10.432325726132808
1998	12.700041554299538
1999	25.453517815193333
2001	13.156072286911916
2004	18.599850172111967
2006	27.74260981340369