Year	% of GDP
1970	29.026993273000922
1971	28.806450521107624
1972	28.585824968936944
1973	31.143169906495437
1974	36.89167976107278
1975	34.28591771869526
1976	35.722312006400976
1977	36.07192231703271
1978	35.37661193813887
1979	37.75591179486196
1980	40.24133485320476
1981	40.58992308626909
1982	39.11420993607725
1983	38.274132717385875
1984	40.07485793730119
1985	39.57009240787091
1986	36.85057085670279
1987	37.056949505755675
1988	37.90257386927157
1989	38.91221869342433
1990	38.95132243338293
1991	38.32206748939824
1992	38.13249743960827
1993	38.05735249312331
1994	39.759670607641915
1995	41.836782910561645
1996	42.356118105738915
1997	44.27824661980615
1998	44.608826622839736
1999	45.00427619223329
2000	49.30556734172776
2001	47.82979864845237
2002	46.50217073035213
2003	46.544714768428605
2004	49.143803917278454
2005	51.32441455357211
2006	54.1472217461606
2007	55.14637092133651
2008	57.80200340923396
2009	49.991688425101536
2010	55.022979667245224
2011	59.037862463747494
2012	59.39549777142938
2013	59.059966575267424
2014	58.942183938820705
2015	57.319269594553816
2016	55.67641362850801
2017	57.70400175815605
2018	58.920457436338694
2019	57.956661966412874
2020	53.224647800496484
2021	57.99355951846099
2022	65.32767645759297