Year	% of GDP
1972	28.65911813700676
1973	28.65307829456592
1974	31.530399717567565
1975	34.824050951590145
1976	35.31683942634667
1977	34.10194912013117
1978	35.3566685134606
1979	36.92360791767276
1980	40.28994765904175
1981	42.1722111180374
1982	45.57790158886393
1983	46.50053191377073
1984	45.02562242384684
1985	45.864667155890984
1986	45.03469794949561
1987	44.71425365914018
1988	41.07610805576052
1989	35.16969226679139
1990	35.7420554142964
1991	37.124878282758054
1992	37.58219799110347
1993	37.62976583055176
1994	37.115731445457136
1995	37.20854606954068
1996	35.3585152437086
1997	33.0740416285829
1998	31.095970258363913
1999	29.409191737859192
2000	27.68928796530511
2001	28.980089585993923
2002	29.474551275036653
2003	29.72546652230855
2004	29.718678204372406
2005	30.425360378373696
2006	30.661944067293213
2007	31.928111252748753
2008	37.06952328925688
2009	44.04375908777052
2010	62.35973576992853
2011	44.80598641707421
2012	40.304481582079696
2013	38.389065064317734
2014	35.29532141310613
2015	27.47427892116285
2016	26.33194109967773
2017	24.5307606656493
2018	23.596237379488578
2019	22.455002798791433
2020	25.559702057335443
2021	22.99654520953246
2022	19.79140836016271