Year	% of GDP
1976	79.77785613540198
1977	82.90845886442642
1978	79.83151012196656
1979	86.7379134860051
1980	85.30345952442269
1981	98.54342123429518
1982	94.27913459790315
1983	81.33885592745999
1984	79.54652563229827
1985	76.25596265096924
1986	53.53715688462397
1987	57.71198670573315
1988	64.67909431392577
1989	74.39703153988869
1990	89.61283546412662
1991	79.87153482082489
1992	81.41203467759806
1993	80.15010555040676
1994	70.4739311041241
1995	72.86147580970157
1996	78.18022436680512
1997	71.48951394701497
1998	64.25729794288566
1999	61.15958846027378
2000	68.50150866020971
2001	67.15118563100083
2002	66.61760376803062
2003	68.33455531423354
2004	82.43211509226414
2005	94.20431119476561
2006	87.87305393708901
2007	91.75933329486536
2008	84.86242939506197
2009	67.07652647599927
2010	67.22553505187983
2011	72.14910187224677
2012	72.6296022782855
2013	70.15592442397651
2014	67.80489782997532
2015	58.81347520415234
2016	54.32550782990081
2017	55.361877371190594
2018	52.83614986113007
2019	49.150235781878024
2020	42.050103534722616
2021	50.182184450781065