Year	% of GDP
1975	5.037504163887944
1976	4.849672862865833
1977	4.072719466545116
1978	4.016590298803974
1979	4.093263029307785
1980	4.115284642725217
1981	4.493355615709513
1982	2.2001435543598276
1983	7.360687973366558
1984	7.9214267572889865
1985	14.19349437388493
1986	13.06197770524933
1987	28.56080760274588
1988	20.496763314086188
1989	23.11340386555681
1990	21.37466470244495
1991	14.251735863640395
1992	12.914773130972245
1993	19.200617839546243
1994	23.076345514757456
1995	21.13552041275752
1996	20.272007560536455
1997	38.728548814737664
1998	55.61022932285321
1999	65.54111580253884
2000	101.3543151005032
2001	81.77921042614678
2002	51.178190432298386
2003	48.32599185607649
2004	49.60629949366323
2005	49.91935558964482
2006	71.209628394002
2007	102.87895434510726
2008	78.99062467278405
2009	56.905263853709364
2010	56.46020606623103
2011	49.35181208407568
2012	40.99259607982989
2013	36.81910492725141
2014	45.45646679719781