Year	% of GDP
1975	16.35875402792696
1976	17.92284866468843
1977	15.814497272018707
1978	15.316111488783141
1979	15.309904153354633
1980	15.660377358490566
1981	15.241844769403826
1982	12.349726775956285
1983	11.03565365025467
1984	11.400462962962964
1985	11.855670103092782
1986	12.570145903479238
1987	10.66326530612245
1988	11.843238587424635
1989	11.831920383339476
1990	9.55200823892894
1991	8.145503235884847
1992	7.678365463832591
1993	8.039511592811085
1994	9.54816604220075
1995	12.196621990755128
1996	9.342956233751949
1997	9.448172944849677
1998	7.859296934779674
1999	7.901496962779286
2000	14.218895267269794
2001	12.766607889355699
2002	13.516518152457294
2003	12.854413881730231
2004	15.13243716773025
2005	16.69728516023678
2006	23.202886483485983
2007	23.48343877930778
2008	25.31449783460507
2009	20.266967475089302
2010	20.987242558158925
2011	20.813728203708827
2012	21.291225508092978
2013	18.785701666568517
2014	16.352492193824446
2015	11.494665008092941
2016	13.399192140228289
2017	23.61014153797094
2018	21.32326356685898
2019	17.425971350429435
2020	23.10871566962863
2021	21.901574097384053
2022	28.976879217552167