Year	% of GDP
1980	70.38813331661217
1981	56.3904694866445
1982	52.35731042609137
1983	45.04596176301156
1984	45.36662785004659
1985	51.616497672794615
1986	56.52377657312279
1987	46.46928945155318
1988	46.25758721360991
1989	49.86993194834374
1990	43.560472411111846
1991	43.9971077302683
1992	43.01489230612696
1993	46.603611846081655
1994	44.105578691546626
1995	44.68876599840287
1996	45.40465121496805
1997	42.64598523314157
1998	41.36994842616365
1999	41.43037451014772
2000	40.73615055988702
2001	41.05594302559544
2002	46.168900068577656
2003	43.42944408383318
2004	39.79794020682104
2005	40.40857633519113
2006	45.3668335484121
2007	49.855201026690665
2008	53.653435634212364
2009	51.563174811965176
2010	48.28195447856374
2011	45.53978192083277
2012	40.05833801192203
2013	37.501984915253836
2014	39.01708520917796
2015	35.37084840976368
2016	35.00946741810226
2017	33.62080462583028
2018	35.88256521354061
2019	36.400882444121955
2020	33.677868951742305
2021	31.956410900348043
2022	40.345123839385835
2023	43.41224079929926