Year	% of GDP
1960	7.42652061799036
1961	7.653687077691866
1962	7.548399716446152
1963	7.386399106823721
1964	6.982249938733812
1965	5.051047596712144
1966	4.597109739292267
1967	4.319566074990535
1968	6.058513876912198
1969	5.912150806961686
1970	6.94499680740708
1971	7.135971195839601
1972	7.265539906348488
1973	8.082187131749878
1974	8.265655058287377
1975	12.892445701545741
1976	10.132368725773494
1977	10.032371953129044
1978	10.048054356699202
1979	10.79469736941783
1980	9.229188352446725
1981	9.254215662317577
1982	13.786009660409334
1983	14.37706139225953
1984	13.04354750186168
1985	17.302448442718898
1986	18.99233284099238
1987	19.93957568976877
1988	20.019948035377915
1989	20.138224274381543
1990	21.056995269941666
1991	21.691099651252888
1992	21.73352835510213
1993	21.340214817052548
1994	26.064917541430844
1995	25.198685545608797
1996	24.389594090162
1997	23.733262881868576
1998	22.29735611747479
1999	12.058363980515287
2000	14.109188500329312
2001	14.625601156610966
2002	14.589851599937237
2003	13.586860827502317
2004	14.236046704075193
2005	13.792827519266613
2006	15.102120017321646
2007	16.690109815390848
2008	14.670092844647359
2009	15.219624615851277
2010	14.45752801517403
2011	14.286625380532602
2012	14.25458176691351
2013	14.655586287171413
2014	15.474778613438048
2015	15.944080256045801
2016	16.507096597911698
2017	17.73932315253051
2018	18.41940947516797
2019	20.499942408835103
2020	19.7841401539344
2021	20.285721853022885
2022	19.870772500754157
2023	19.975074154850326