Year	% of GDP
1975	7.9326091688724265
1976	8.461451653728046
1977	8.728267198570926
1978	8.863395421032372
1979	8.892186900905577
1980	9.537675520266342
1981	10.366508733842517
1982	10.295506798373676
1983	10.030876736824062
1984	10.237975092834255
1985	10.427277264974501
1986	9.409859513427158
1987	9.248595747939286
1988	9.194653719352152
1989	9.546516663157137
1990	9.813919400869896
1991	9.680219270144201
1992	10.239801158968467
1993	10.636964171640322
1994	10.4724566812566
1995	10.582252967313288
1996	10.681075006792256
1997	11.445051715837742
1998	11.825938698874438
1999	13.128462122998876
2000	14.393226102819748
2001	14.675203526184472
2002	15.007565406838289
2003	14.480687636050224
2004	15.149664563826608
2005	16.865769093915528
2006	17.558489089647118
2007	18.063317920402408
2008	18.620203253053166
2009	18.054033853778886
2010	18.822310352187877
2011	19.47836479740458
2012	20.61210417776333
2013	21.34865498048667
2014	22.485673353665984
2015	24.447377576767046
2016	24.56775067010499
2017	25.45231201402437
2018	26.03687457754285
2019	27.584723069877512
2020	25.41544479065999
2021	26.55791173463008
2022	30.259319577620513
2023	29.779073533584768