Year	% of GDP
1980	25.47169846938413
1981	23.325987983545453
1982	15.20362075033955
1983	13.2731764800927
1984	9.81989005820097
1985	9.919654098457409
1986	8.93236243779905
1987	9.44717681518707
1988	12.88280230344224
1989	13.476197038681509
1990	9.538456456664342
1991	8.03404355809292
1992	7.396731123676236
1993	9.14586516937123
1994	10.008696770224319
1995	9.692807437170888
1996	10.969998870501813
1997	10.43596330460529
1998	10.285374729793768
1999	9.34926616353232
2000	12.898759282487212
2001	12.918796503688734
2002	13.112481295763207
2003	12.974970513981916
2004	14.252047175401216
2005	18.221088194570644
2006	19.02365021560701
2007	18.805107863500726
2008	25.521939988877723
2009	28.429931178869865
2010	31.87047036276699
2011	31.56276891937359
2012	28.805140165012453
2013	29.594879208676783
2014	30.78425957807153
2015	32.60701430304114
2016	27.010880783276193
2017	25.795032975295058
2018	28.426922288997797
2019	30.378254919232113
2020	28.32663504010085
2021	28.538565059105192
2022	29.62081076438457
2023	26.446775142128992