Year	% of GDP
1993	0.21226705692980516
1994	0.3051900935892765
1995	0.6148547718375358
1996	1.1432677003221996
1997	2.389799424417496
1998	6.086767172769115
1999	17.499350613987716
2000	24.43477719751393
2001	15.567988457089047
2002	42.535221748653704
2003	68.32157199500763
2004	84.88204847335366