Year	% of GDP
1966	13.667146657695813
1967	14.331849315825606
1968	14.753411552367552
1969	15.480706814943055
1970	17.731528030685197
1971	17.866800439897233
1972	19.22939382930992
1973	20.089714444700213
1974	18.98519616113943
1975	17.557537866642225
1976	20.654056277146825
1977	22.189385205978567
1978	22.450516154361562
1979	22.631228857859142
1980	22.80244369147199
1981	22.95016789923797
1982	24.215603730245444
1983	25.903902935264828
1984	28.006366702909144
1985	28.090031977841704
1986	26.72628759622022
1987	25.437642348052485
1988	24.043930006710212
1989	24.35617965984743
1990	25.71927741655839
1991	24.347271844209224
1992	26.59334598556512
1993	28.211688370999877
1994	27.964818685796157
1995	32.741977282413586
1996	31.863740983419163
1997	32.36155114064208
1998	30.039787964308776
1999	31.67380363309037
2000	31.467157402972244
2001	30.227134358464482
2002	31.68033714351628
2003	31.73615364773261
2004	31.84697117916843
2005	31.608126009325197
2006	31.792541185078715
2007	31.701981370759622
2008	31.80324508187103
2009	34.7220361937938
2010	35.86909228430812
2011	35.550831450018364
2012	35.3695624042167
2013	35.45721854667611
2014	37.51677875701552
2015	40.65728440650864
2016	41.129845085100655
2017	42.3144923148057
2018	43.09787028288243
2019	45.53432989995213
2020	49.716894965397394
2021	49.53824688950811
2022	49.11833194472623