Year	% of GDP
1960	27.812449992005124
1961	28.573596358130498
1962	29.21540656209415
1963	30.878369663381918
1964	29.461358313868857
1965	30.273165506223886
1966	30.35168948878337
1967	32.08565613669233
1968	30.461085677024197
1969	29.76372228286732
1970	27.817366059659538
1971	26.355786979003113
1972	27.08229487328954
1973	30.42998413666269
1974	32.25817340344037
1975	26.53441989733636
1976	25.75245226778808
1977	25.997057031404154
1978	26.497459663282786
1979	27.788183824224493
1980	30.137337966637297
1981	26.31841007672871
1982	23.318357636188516
1983	22.430808468658036
1984	21.193888547434785
1985	21.2593532078531
1986	20.000175752295686
1987	18.315602968758242
1988	18.277144340500122
1989	18.988757241898817
1990	14.53396526090842
1991	14.919015349846413
1992	14.76527087591345
1993	15.81817084951122
1994	15.371343978796915
1995	16.722924375095165
1996	15.667634046853438
1997	14.872100567822677
1998	14.770726942676196
1999	14.413492540398263
2000	15.107131138490349
2001	14.75987098618003
2002	17.946274668955308
2003	18.38560219361311
2004	16.98124134668217
2005	17.698097525412088
2006	18.106624401937804
2007	17.007036591815396
2008	16.323646336866172
2009	17.377436226823413
2010	17.142405911840022
2011	16.102056856890158
2012	13.497377204014086
2013	13.837843683824612
2014	13.681773416440098
2015	14.288975935154994
2016	14.287918390862947
2017	14.243708083838257
2018	13.23023652628062
2019	13.216023152986647
2020	14.475139006117224
2021	16.340361162447607
2022	14.869741729643483
2023	13.629538309939381