Year	% of GDP
1977	9.626622348554712
1978	3.3340911778602664
1979	12.34909243840718
1980	20.056183780730784
1981	-10.8964032003401
1982	-4.619405433616629
1983	-4.949581639030136
1984	-4.94127620342953
1985	6.046245366447433
1986	-0.6425052383199877
1987	-3.88021665941233
1988	-7.512942537786098
1989	-4.079877311311108
1990	7.61514456264139
1991	-0.6847782037295114
1992	4.152599326201005
1993	-4.454561735633486
1994	0.09230454952850198
1995	6.5468175080533095
1996	4.4384259905324885
1997	5.102832845920099
1998	-0.7675396993447161
1999	5.937315679434836
2000	16.383181818181818
2001	9.767796744186047
2002	3.3883592188220826
2003	12.95229030339084
2004	13.936227037320887
2005	31.573037888329132
2006	36.89206003184774
2007	41.90658806132605
2008	41.17331799068768
2009	15.426446023907978
2010	22.28776348108106
2011	6.62746278785412
2012	25.757573331209233
2013	0.012740356948303904
2014	-33.1750366593745
2015	-19.184070911930757
2016	-9.42697758493981
2017	6.591077916444991
2018	14.704112383316186
2019	6.682670461179441
2020	-7.277077839734769
2021	11.876294905837598