Year	% of GDP
1976	3.155716618219478
1977	3.285204265646244
1978	3.7038542879200693
1979	3.9356555972198906
1980	3.6430657684072867
1981	4.276788711590764
1982	4.579131880825834
1983	4.3047956742082585
1984	3.8363156731049344
1985	3.2201536903506778
1986	3.854532622184231
1987	4.729129802529887
1988	4.930373477556211
1989	4.452602047363264
1990	4.48346758219995
1991	4.01184006953312
1992	3.429203765265055
1993	3.0553103281037797
1994	4.021803002832807
1995	3.7706635417697294
1996	3.7553156869104836
1997	3.2994228049530774
1998	3.2947336622696612
1999	3.3179256167373348
2000	3.7066724696508624
2001	4.201737720101187
2002	4.625058183983928
2003	4.554011464183956
2004	4.590034314190845
2005	4.315396182980486
2006	4.392628758507052
2007	4.408947102810382
2008	4.4070194216873295
2009	4.520665607765887
2010	4.4654169829178985
2011	4.165337212215033
2012	4.788938884121208
2013	4.7047167744191665
2014	4.667866499814866
2015	4.3062419406206045
2016	4.105600447614058
2017	4.483318057277871
2018	3.9799138110657903
2019	4.26981563524277
2020	5.367058369868019
2021	6.338531210553655
2022	6.2955709014387695
2023	5.563615309006835