Year	% of GDP
1978	27.428632703416874
1979	33.06415058361248
1980	35.327628012869475
1981	31.530982558965885
1982	26.996594746820136
1983	27.02600813856983
1984	26.92780044468425
1985	25.48618781366358
1986	32.308204437447976
1987	36.56439416756105
1988	32.77535313519438
1989	33.61782199610231
1990	31.87568375475743
1991	31.573745712458557
1992	37.32944249013963
1993	37.43063011784796
1994	40.780314275477295
1995	40.9847401608026
1996	46.72856472481062
1997	51.00854118298571
1998	49.88451282254623
1999	48.75443153165107
2000	46.73237723221994
2001	48.69656099484377
2002	48.48325651977549
2003	49.1284727544327
2004	47.42726815326755
2005	47.56770792042315
2006	45.19115622522907
2007	46.39708813145143
2008	42.21407861475801
2009	41.70868967470825
2010	42.08305253079894
2011	41.153641317177495
2012	43.34039665931408
2013	43.57849729201062
2014	43.56606932250059
2015	45.6992520039834
2016	49.02893733125718
2017	45.92388227715846
2018	47.0663097685339
2019	45.55423118050558
2020	25.13347971646941
2021	22.880964070744884
2022	39.151684326296326
2023	42.990860637225964
