Year	% of GDP
1977	6.922399906784675
1978	7.6415439556390705
1979	8.05306346935338
1980	8.5608831686555
1981	8.489891648768321
1982	8.224837247883453
1983	7.850426874517273
1984	7.500198651902938
1985	7.95752849894885
1986	7.666781895711312
1987	8.53042104527729
1988	8.589264856860854
1989	8.73920767867712
1990	8.027137859532528
1991	7.657548165728213
1992	10.616244675849726
1993	11.494409710341417
1994	12.611732986506006
1995	12.788308820532178
1996	11.599910279237415
1997	11.391526529870935
1998	11.651647485578058
1999	11.761787049356395
2000	11.855155059615708
2001	11.858561017665723
2002	11.640336164965843
2003	11.11252034457772
2004	12.379747142639488
2005	12.38959263069503
2006	12.267498254470317
2007	12.653549615713276
2008	12.359234513160294
2009	11.404653243408735
2010	11.731539941382822
2011	12.013476501746446
2012	12.652373700520927
2013	12.47019520907796
2014	12.184248267033917
2015	12.230906113196596
2016	11.605154586398932
2017	11.65448670356834
2018	12.432200344374923
2019	12.458429263337148
2020	9.316820015469887
2021	9.781115560133065
2022	10.544768464283267