Year	% of GDP
1970	3.4504404702201485
1971	2.959050097205541
1972	2.998623829845966
1973	2.9467258842694797
1974	3.1963542574995167
1975	2.512566666629707
1976	2.1549297270506136
1977	2.392105983760203
1978	2.1722644264824456
1979	3.496454282442105
1980	3.032509335222068
1981	2.757866909704983
1982	2.0588680925616245
1983	2.499504430978185
1984	3.3661976257016333
1985	1.8801676272513095
1986	2.0379185979058945
1987	3.5332044444522466
1988	2.7173458476747947
1989	5.751722585936755
1990	4.309380750547695
1991	3.9190344086757314
1992	3.5198986960500473
1993	2.815476018676748
1994	4.637277901111082
1995	4.463332187579453
1996	7.08935538921822
1997	5.877751932322236
1998	8.433186078088598
1999	12.784566346588802
2000	17.84838125789132
2001	11.765859220758125
2002	6.709092026655843
2003	7.701228784180972
2004	23.010554328221865
2005	38.89794896624798
2006	71.347688274229
2007	70.28599465049228
2008	28.637260434379176
2009	16.094977296825792
2010	22.597004700433345
2011	41.05221943654115
2012	28.362528368695116
2013	47.40819427137045
2014	13.272539274310938
2015	51.379661478997406
2016	37.126060754816294
2017	32.53391622849037
2018	-29.903042173854104
2019	-2.0936742677116875
2020	-31.786809833926778
2021	1.4820484458281598
2022	12.472178778619043