Year	% of GDP
1976	11.255553283415658
1977	3.493791207257567
1978	0.1333430492182248
1979	13.240127712854829
1980	-2.583659608688093
1981	-3.428879169129101
1982	4.551851214787139
1983	0.22895126238004718
1984	-0.25511975963644373
1985	-0.2641749425613935
1986	-2.4653917131069956
1987	-1.5595851530345892
1988	-1.5187977263221024
1989	-0.1585110084465531
1990	0.26199138594218974
1993	-6.612426131959907
1994	6.898523386263296
1995	3.4827079081522188
1996	4.345373044020652
1997	1.942605557778134
1998	-1.9396625592609598
1999	5.757654140125526
2000	11.38863537249946