Year	% of GDP
1981	46.470628465362005
1982	47.86658542737211
1983	44.82493102044605
1984	41.99909110745107
1985	38.624237844228624
1986	45.84237340363216
1987	44.29591904908748
1988	43.38894300569146
1989	42.696012449485885
1990	43.155070076131494
1991	42.761273421526205
1992	43.14317726465968
1993	44.0123298726556
1994	43.18006720224657
1995	39.449778660297866
1996	36.89202682412979
1997	37.381356009168044
1998	42.04810298031817
1999	41.13415469724019
2000	40.85970900974756
2001	42.45166078835043
2002	38.86298884551135
2003	39.13756494423006
2004	41.253064796727124
2005	41.526371380325166
2006	44.942773100086505
2007	46.28865618213942
2008	45.070909878849626
2009	47.193031909441046
2010	46.84578983716359
2011	45.29231473463262
2012	46.416298275059376
2013	47.6943410472472
2014	49.05600614519115
2015	53.407113255554215
2016	54.18326720075236
2017	51.40456698547678
2018	49.11810055685265
2019	48.235841914782576
2020	46.7465351318665
2021	44.83978572675723
2022	43.974076511605034
2023	43.72641642431801