Year	% of GDP
1989	0.2657454094018121
1990	0.2569099301509164
1991	0.32201174402017047
1992	0.6279862293801101
1993	0.3508085647770378
1994	0.5847313540721486
1995	0.6315860203544937
1996	1.475965411357561
1997	2.150453059153537
1998	3.340888093285034
1999	4.73377022686194
2000	5.033916805283141
2001	4.147593773983849
2002	3.2535806127152687
2003	1.8134005243930607
2004	2.71353166307823
2005	1.7338935461070664
2006	1.753125703189449
2007	3.1908260128506427
2008	2.990609469132859
2009	1.8884822408439181
2010	3.7300128833174697
2011	3.9151801139648703
2012	3.7549628561002244
2013	3.04150901601519
2014	3.5713526695747713
2015	3.5921493177337087
2016	4.137378039120876
2017	3.3382598174410782
2018	4.077486680700662
2019	3.69267321290506
2020	2.5926379533071695
2021	2.7797908491656753
2022	3.8221961533296955