Year	% of GDP
1977	7.130961584908419
1978	7.813766218465005
1979	7.226531450945208
1980	7.832158228064218
1981	8.451979389272637
1982	8.593562600248122
1983	9.377851981666009
1984	7.937266346971255
1985	8.872620486160521
1986	10.898218167372342
1987	9.261344613666873
1988	8.622981275313007
1989	9.871423376737393
1990	9.909265058855233
1991	10.539905614037897
1992	11.667872134524025
1993	12.513594984629306
1994	15.612497982626863
1995	19.226332401306088
1996	23.641260290668896
1997	31.091430157985172
1998	23.60508742544134
1999	12.053922679066833
2000	12.98676646212977
2001	13.092800779184541
2002	13.11629477074298
2003	12.721869704316399
2004	13.271299595545996
2005	14.032952729390319
2006	13.827882828227397
2007	13.492322636444362
2008	13.290620976492306
2009	13.223679120138652
2010	14.301267516547883
2011	13.31861156210289
2012	13.24819617009342
2013	13.967997980149516
2014	15.604123757058671
2015	17.18909044469761
2016	17.375823350506998
2017	18.561258398941206
2018	18.79416784571791
2019	18.440646243272095
2020	13.760296942198163
2021	13.474472223756395
2022	16.40851007825916
2023	17.717013783526355