Year	% of GDP
1979	9.101207862697688
1980	7.784666683400536
1981	7.2471791630006885
1982	8.410420510129946
1983	6.531582458181288
1984	6.477793869108357
1985	6.961500721587216
1986	7.962390559476147
1987	8.109032764198467
1988	8.191201073715558
1989	6.039885941218275
1990	6.414253389329857
1991	6.300527041592935
1992	6.525732677696842
1993	6.051564250934618
1994	5.62662179697543
1995	5.41484631565064
1996	5.184398825473979
1997	5.398302474170591
1998	5.260494946552913
1999	5.771041265563641
2000	5.8077085194770435
2001	5.904038577701763
2002	6.5659289293471454
2003	6.829866752184156
2004	6.718169859291869
2005	6.546820755933188
2006	6.236595206481909
2007	6.3380843214534535
2008	6.373988037132697
2009	6.270203626551383
2010	5.952784649474782
2011	6.107697394859234
2012	6.468848687413723
2013	6.642381345802027
2014	6.732833934512878
2015	7.680490872419765
2016	7.832393270789704
2017	7.596438836321119
2018	8.024017491940898
2019	8.148054645410506
2020	6.6975724546595625
2021	7.287570415752817
2022	8.583762472593056
2023	7.98259202494292