Year	% of GDP
1980	0.1701718189684136
1981	0.09446655903005755
1982	0.11553144916792764
1983	0.1860335958658873
1984	0.23070265526288186
1985	0.2654247093772214
1986	0.12483205697634932
1987	0.19159278508273353
1988	0.16831655942347995
1989	0.273469688262001
1990	0.39101139594895157
1991	0.22031796259659323
1992	0.27244470607104526
1993	0.26037591084629463
1994	0.2691516642405365
1995	0.3297356029357925
1996	0.3978150253554098
1997	0.3239659727384153
1998	0.18283490541137298
1999	0.34295061430224333
2000	0.5882092427764922
2001	0.4462021827298746
2002	0.4291852646602928
2003	0.43180813547116015
2004	0.5116151443719901
2005	0.7586904513131936
2006	0.9890696105215754
2007	1.102331829970749
2008	1.5850979944516603
2009	0.8389444998099993
2010	1.1217379842520583
2011	1.7643210110542937
2012	1.5172760977887836
2013	1.3228685797245399
2014	1.1634775982213414
2015	0.42281829048452274
2016	0.32448470791921735
2017	0.45387990347455426
2018	0.6986779588017655
2019	0.5591028000371427
2020	1.5909363760120874
2021	5.563674017848