Year	% of GDP
1970	24.01354130256359
1971	23.537186304983674
1972	24.585084782488227
1973	26.32423226147211
1974	28.470347662566436
1975	22.895946254261343
1976	24.917275746314687
1977	27.389939038800676
1978	28.488748805013824
1979	32.39904041375008
1980	27.29906980205388
1981	27.83691599895086
1982	27.24970296149446
1983	23.37544377249381
1984	22.328918086108022
1985	19.579312425493576
1986	18.380978532256975
1987	16.737715545997645
1988	16.315873075818356
1989	18.409963726126392
1990	21.527116685768288
1991	19.67272240293136
1992	16.636928899054816
1993	15.469194302702174
1994	16.513981893274412
1995	18.87299999963476
1996	20.530617297776697
1997	22.229010015154163
1998	24.097963250751135
1999	24.635506165408458
2000	24.50795075535492
2001	24.25624158944674
2002	24.0825971908065
2003	25.744223047985358
2004	27.218263366791916
2005	30.309749586283317
2006	31.893205292949844
2007	29.248105575966754
2008	24.667093752986624
2009	20.303668753851653
2010	17.277273525782334
2011	17.23318236699284
2012	20.01088697950125
2013	18.70714376897597
2014	22.38498120293482
2015	25.909222346083233
2016	37.439663695787154
2017	34.653044244457234
2018	28.67577763525455
2019	54.77469884684809
2020	43.059553782712676
2021	23.610618653122422
2022	23.715557462405187
2023	26.550223861652643