Year	% of GDP
1970	43.16396452036078
1971	44.00358600757276
1972	43.594059712266066
1973	41.26626089898559
1974	37.69011443991784
1975	40.562819964471004
1976	40.72659328579484
1977	40.76062383765924
1978	42.840393207751774
1979	42.668959011176156
1980	43.49095850373335
1981	44.679784693743926
1982	44.94065531031449
1983	46.153422025537246
1984	45.83620816760531
1985	46.80152649464921
1986	47.11109651860042
1987	45.23264576946174
1988	46.09885159909627
1989	45.7905988364957
1990	46.35894936837447
1991	48.466072932367425
1992	49.80202343695508
1993	50.564630531997956
1994	50.59330121511104
1995	49.704531531579605
1996	49.035394967365015
1997	49.82915320724782
1998	51.23651049634558
1999	51.4661272611957
2000	51.1741090138543
2001	52.73609936805974
2002	51.83946735855712
2003	51.65660183966311
2004	50.65655153267423
2005	50.01967635931618
2006	49.460089942750535
2007	49.508110632753215
2008	49.09069892712633
2009	51.02242717819615
2010	49.830364434670635
2011	49.29382272584792
2012	50.024202528836994
2013	50.64856244664797
2014	51.39544207966985
2015	57.27199621499047
2016	57.20946108337445
2017	56.78816621790011
2018	56.30929349503406
2019	57.307246370506185
2020	57.06173719206684
2021	55.52011100407782
2022	54.78120099223423
2023	56.1191484596423