Year	% of GDP
1977	9.050189647461938
1978	9.763558671107628
1979	9.3327310239625
1980	9.547541479656596
1981	6.860275867260125
1982	6.398343739224804
1983	6.549519273274852
1984	6.834405578392564
1985	7.337743969538583
1986	7.4211887656473605
1987	7.4228761265931125
1988	7.4857788509359775
1989	8.183981385352016
1990	8.145274251779574
1991	7.5253343660612515
1992	8.594409267973443
1993	9.488414429175824
1994	9.140838301847834
1995	7.473439341234925
1996	7.161074750131977
1997	6.934172716905396
1998	7.109273425191573
1999	11.192481149219903
2000	10.600918329641054
2001	11.428307380224126
2002	11.122250161103356
2003	10.711804984381184
2004	10.396728463411476
2005	10.054386171491473
2006	10.550471814748265
2007	11.121459808594192
2008	11.901328384309148
2009	11.180967204845189
2010	10.674080534423968
2011	11.033996016039751
2012	10.66965054974076
2013	10.17897352948885
2014	10.177722078277618
2015	10.395129750557327
2016	10.22767293650105
2017	10.684511578597347
2018	11.058052924921922
2019	11.301795372746684
2020	8.730663194878762
2021	8.619465896151667
2022	9.579804223549763