Year	% of GDP
1967	3.565824195933068
1968	4.458947213863573
1969	5.3912857483635435
1970	4.430938220083486
1971	4.1317552677622595
1972	4.499811425361498
1973	4.71913991266702
1974	5.125141162879074
1975	6.2850591558782565
1976	5.573024543931976
1977	5.373374815784809
1978	5.187471981780941
1979	4.435239496068825
1980	3.5494977740913547
1981	3.8016906029149773
1982	2.4011668520650105
1983	2.5594129764700275
1984	2.2523703137008497
1985	2.1121517899027213
1986	2.2697785295587822
1987	1.7940877319027952
1991	2.294346349763057
1992	1.4977287400369568
1993	2.434224594702125
1994	1.505177678374973
1995	1.0087963235809303
1996	0.8155583284654905
1997	0.8872082651318206
1998	0.953085585251715
1999	2.1004594986793994
2000	1.533192775615719
2001	1.5737442637662635
2002	1.544278826807175
2003	1.33095545795479
2004	1.524984488103081
2005	1.3869447985253829
2006	1.390171847328629
2007	1.4997013097538934
2008	1.7285608008382272
2009	1.8878261759891894
2010	1.5654046559276285
2011	1.4882343853463367
2012	1.351450121849962
2013	1.7216134751045042
2014	1.5875932066977425
2015	1.736590969975374
2016	1.4504079797675415
2017	1.5566049697366553
2018	1.34356402191893
2019	1.3645446036548814
2020	1.4203986466805165
2021	1.382434519665214
2022	1.183180788850167