Year	% of GDP
1970	22.473549187612132
1971	23.365549397861194
1972	23.39212764725404
1973	24.956853553791987
1974	24.336286384139097
1975	22.45642949858056
1976	24.717456104948127
1977	24.46784902219399
1978	27.3305001091248
1979	30.12900214380332
1980	28.260187527905938
1981	29.298639155542872
1982	26.192804927346458
1983	22.858661474271813
1984	21.17786799161446
1985	18.809522178026036
1986	17.765870322534692
1987	16.79231553465945
1988	17.09160442310021
1989	17.828297672197923
1990	19.212233647031088
1991	17.589092036735668
1992	17.3036114607961
1993	15.90800143293922
1994	16.981548154536963
1995	18.071546204313684
1996	19.819215300608665
1997	21.046405722913946
1998	22.525674053230397
1999	24.15987571662353
2000	23.74204837594377
2001	23.936390953058623
2002	23.59308666941563
2003	24.911072058199583
2004	26.950251635494244
2005	29.828926643049087
2006	30.986691634222748
2007	28.707082453330298
2008	24.84211873109689
2009	21.1631245505943
2010	17.57705835223524
2011	16.68973752957475
2012	19.62276524713603
2013	18.61532045733928
2014	20.594899236545277
2015	24.046841791183617
2016	35.88627654761052
2017	33.04351045649074
2018	28.395007367517515
2019	54.27419091013312
2020	42.076970316038775
2021	22.333107578519527
2022	21.63319066388517
2023	23.367549859825132