Year	% of GDP
1978	0.2008928360633513
1979	0.2377818725525989
1980	0.1621523476439879
1981	0.13227155540601762
1982	0.0869301657409477
1983	0.32848009388636734
2003	11.101754528870734
2004	6.3154910105397075
2005	5.77055813367122
2006	6.049972662648317
2007	4.349645060183023
2008	4.149886686609952
2009	5.502986958484486
2010	7.496885979625954
2011	6.4807667406004095
2012	7.515837241840489
2013	7.984040941283996
2014	11.205815277207252
2015	11.178710090888933
2016	9.812802544740359
2017	10.642988781078959
2018	12.691588858149558
2019	15.208625571184406
2020	22.9790072609688
2021	27.16029203938801
2022	23.07224627977259
2023	26.81838704190531