Year	% of GDP
1978	-0.8217632967068969
1979	0.8439250661013425
1980	1.335918706369013
1981	0.4897805368151414
1982	1.318574634884486
1983	1.7177162442068277
1984	1.036845122551761
1985	1.2359097263460892
1986	4.582234112359876
1987	2.826600218329974
1988	4.539062585857015
1989	4.932637538931493
1990	3.189571488004439
1991	3.491076100226733
1992	5.000799488327471
1993	10.967232837017967
1994	16.208988073911037
1995	9.696209652844507
1996	12.86451699403364
1997	26.589490723977093
1998	23.808202067864837
1999	14.53637173678124
2000	12.691390043247926
2001	3.861414650023856
2002	5.3878934468942905
2003	6.851251157467268
2004	15.120110354188988
2005	6.88174169420405
2006	18.64368073706028
2007	11.781589582896395
2008	21.45097439870168
2009	15.301427313842208
2010	13.308902873884106
2011	11.857607633912757
2012	18.198647330091692
2013	20.077683483031812
2014	16.13992447533571
2015	15.749581461835502
2016	8.660745122064835
2017	19.595397072663335
2018	4.524123832768446
2019	7.558288935654538
2020	7.507012572559998
2021	18.67126233783087
2022	3.382622829233205