Year	% of GDP
1980	0
1981	0
1982	0
1983	0
1984	0
1985	0
1986	0
1987	0
1988	0
1989	0
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	0
1997	0
1998	0
1999	0
2000	0
2001	0
2002	0
2003	4.74383447804891
2004	29.8599644670772
2005	32.6666259924004
2006	30.8512410137952
2007	28.9574096374403
2008	29.6642941556194
2009	14.6756159361222
2010	20.0317465897842
2011	24.3983730486377
2012	20.5311950776099
2013	15.7791942816497
2014	11.3679339086533
2015	6.2969962979888
2016	6.59687876223435
2017	10.2750096848343
2018	16.6121673665612
2019	15.5707595430138
2020	9.22817147863275
2021	16.7515661611417
