Year	% of GDP
1960	6.5858601258478995
1961	6.048283569312989
1962	5.84867227630279
1963	5.693654993715183
1964	5.774068395455557
1965	5.7350473119759275
1966	5.852052728987371
1967	6.559104108268979
1968	5.823804506709085
1969	6.312879347444274
1970	6.555784951890846
1971	6.257174099298888
1972	5.912863397484157
1973	5.927857402583402
1974	6.149482345527671
1975	6.369588898083539
1976	6.321828315437754
1977	6.314671519757045
1978	6.535759634340643
1979	6.448285389234211
1980	6.591047286905863
1981	6.93602364620116
1982	6.608946660265878
1983	6.584208470404026
1984	6.641295617199973
1985	6.830194784684671
1986	7.283085929446854
1987	7.057884448689444
1988	7.147815665024332
1989	7.318449199365566
1990	7.729582843587868
1991	8.029370756127536
1992	8.397055726503487
1993	9.023500046415386
1994	9.247219914877917
1995	9.441072329084468
1996	9.974524306931249
1997	10.18467885543482
1998	10.973671712031813
1999	11.014320230264536
2000	11.164486083458927
2001	10.973176887288654
2002	11.090222050685234
2003	10.685676986440761
2004	10.794022948943223
2005	10.696666055868656
2006	10.560202930084117
2007	10.466034954759722
2008	10.651487716921777
2009	11.08332554578106
2010	10.842876368250037
2011	10.74801080859182
2012	11.270417189730976
2013	11.331540235655286
2014	11.46749474486518
2015	12.205730418770733
2016	12.567379337434604
2017	12.530492807765889
2018	13.189443785851651
2019	13.871922033762896
2020	12.277721839273225
2021	11.925347737539745
2022	12.860052615014997
2023	14.011737219822898