Year	% of GDP
1975	50.38236622720912
1976	46.49808409818667
1977	49.59408673037012
1978	58.07763384486721
1979	65.42312541719201
1980	59.611984282907656
1981	50.776439089692104
1982	54.25886373344725
1983	59.927594529364434
1984	61.14433370247324
1985	57.59082892416226
1986	46.25441696113074
1987	38.70186697782964
1988	41.30005485463521
1989	42.495662949194546
1990	43.130714109216704
1991	40.561023622047244
1992	41.33367399080225
1993	42.28433734939759
1994	45.2553732378091
1995	46.86252522987217
1996	47.9911653344552
1997	46.49751243781095
1998	42.39322273208613
1999	41.68603671888159
2000	43.235822846870406
2001	40.97233589785562
2002	38.98599710284886
2003	42.95840473594018
2004	41.68674698795181
2005	44.81476633067155
2006	45.9699154207619
2007	43.7126055410855
2008	43.63613606049285
2009	42.64676963172999
2010	38.88397715188705
2011	37.89403333323681
2012	39.180670569216055
2013	40.784474082374366
2014	39.8835813276416
2015	39.93320608824396
2016	36.4194645556169
2017	35.61818179927446
2018	41.055867300040575
2019	41.7775316710853
2020	29.200764419685772
2021	30.22779820580287
2022	34.2820015780029