Year	% of GDP
1970	0.5218021175616515
1971	0.384568245371296
1972	0.37934960361645675
1973	0.6035198143509609
1974	0.9136582259452627
1975	0.4986471597556598
1976	0.4934981202405217
1977	0.5738337831776343
1978	0.3660478313363806
1979	0.6613184673400702
1980	1.1211327901016113
1981	0.673426445620328
1982	0.5497342890459562
1983	0.6049396487124936
1984	0.3306506166941661
1985	0.41091260044818984
1986	0.3484147113743102
1987	0.4433794998401112
1988	0.943995085683608
1989	0.7932278883389808
1990	0.516780650547396
1991	0.47241912937861147
1992	0.4659027471411692
1993	0.3151449415526343
1994	0.3226640252036825
1995	0.27850036165371655
1996	0.24533826382842064
1997	0.20309521403666636
1998	0.2529384902301055
1999	0.2266693196165456
2000	0.201577341586548
2001	0.18421833675824026
2002	0.20572668536562214
2003	0.19120168871762427
2004	0.30824886151521075
2005	0.6270658095223675
2006	0.9668662790569558
2007	1.5214111391981726
2008	1.5929691783630455
2009	0.8336920166933316
2010	1.5269858743766493
2011	1.7415983983930605
2012	0.9153116616630869
2013	0.7903734549420981
2014	0.5059506082899297
2015	0.2988994018866659
2016	0.3557592497227476
2017	0.4373865425670927
2018	0.389961749883065
2019	0.3878245072785051
2020	0.39275457513058304
2021	1.1549124381715021