Year	% of GDP
1980	46.229768208080685
1981	42.59149352766938
1982	39.847660081183314
1983	37.54315714050434
1984	36.599630193857394
1985	38.00755375458984
1986	39.108064756098095
1987	37.88949066641795
1988	39.41700409864464
1989	41.46061927040087
1990	40.48934629189997
1991	40.85559880975906
1992	38.56894279361697
1993	38.78203169967883
1994	35.26025536329661
1995	34.31404481222399
1996	35.40290658103247
1997	34.98590902165366
1998	37.59391632283196
1999	36.125693911000084
2000	42.156666369314664
2001	40.780719499907356
2002	39.19703689653851
2003	39.76825894727027
2004	40.88955118367348
2005	42.995021013186715
2006	42.6160321828383
2007	39.530074582944984
2008	40.703555581348894
2009	42.78192656166313
2010	41.79909658262847
2011	43.63322353320839
2012	41.39326054742086
2013	41.538650689837105
2014	42.16110583936455
2015	42.88610607752014
2016	42.55420926835928
2017	43.23932318711554
2018	45.61443324534862
2019	49.62735764195253
2020	49.981635287283886
2021	50.17916681999084
2022	51.19679783527273