Year	% of GDP
1970	6.808085675117696
1971	6.641857716171316
1972	6.824369246113711
1973	8.048371014446527
1974	9.698579691002154
1975	9.532037888062405
1976	9.357617749360351
1977	9.058295629203228
1978	9.37390431973313
1979	10.264427850055453
1980	11.391839612169376
1981	11.006003179374147
1982	9.920210515835098
1983	9.121173884068892
1984	9.160126165441602
1985	8.598620036062924
1986	8.546604908853883
1987	9.02257601201139
1988	10.05952882697084
1989	10.422859170596249
1990	10.705223657895843
1991	11.003343627544021
1992	11.099984810656878
1993	11.086085915880894
1994	11.594417831216099
1995	12.525160792134105
1996	12.67028182800885
1997	13.05088215927071
1998	12.458934522444492
1999	12.399499394588366
2000	12.977592865968917
2001	11.82749024173038
2002	11.156182332657556
2003	11.065643158567587
2004	11.789074413393704
2005	12.213807297976047
2006	12.813066304349002
2007	13.575042189061564
2008	14.53082596798119
2009	12.469726121471382
2010	13.988849477457904
2011	15.34161414621876
2012	15.345956749817569
2013	15.220490089785791
2014	15.215570162481388
2015	13.947373080452785
2016	13.374361382377117
2017	13.684520136389972
2018	13.843935175663963
2019	13.348060729889196
2020	11.491359760188535
2021	12.418568030413784
2022	13.364723599944808