Year	% of GDP
1967	56.18556701030928
1968	84.87928843710291
1969	86.5
1970	93.35205992509363
1971	97.9216626698641
1972	103.125
1973	123.02243211334121
1974	121.47760773966579
1975	118.24084758918083
1976	108.3003618681443
1977	102.34471880600773
1978	107.04699344458601
1979	101.77586661496704
1980	100.31460239097818
1981	102.77589427767342
1982	101.6977043880699
1983	91.71867921160185
1984	87.85978863763168
1985	87.01061914437973
1986	80.17299280934364
1987	77.94499493723764
1988	71.35990075980773
1990	74.82917492043
1991	77.80682443588333
1992	80.26483426972159
1993	81.10583728870014
1994	77.78873834880116
1995	79.59149064460817
1996	85.5761537544899
1997	88.62796617127843
1998	92.26179271125643
1999	87.61943737560948
2000	92.89728556276482
2001	96.49054051116214
2002	95.78794647004463
2003	97.00044149182592
2004	101.5472185717102
2005	99.1109943047734
2006	98.55502307902125
2007	108.87178546523211
2008	108.60693821349183
2009	105.00603004758993
2010	96.38655622248899
2011	101.64072515420601
2012	102.0741653202891
2013	112.54323258261904
2014	102.27815996498593
2015	96.3755976513582
2016	82.8621871430055
2017	88.95282636525633
2018	89.27921782628468
2019	86.47613365859998
2020	91.87570039779885
2021	93.9161461607843