Year	% of GDP
1978	6.00079011917114
1979	5.88913011550903
1980	5.64626979827881
1982	5.47202014923096
1983	5.36462020874023
1985	5.39768981933594
1986	5.26897001266479
1987	5.0578498840332
1988	4.90720987319946
1989	4.73919010162354
1990	4.66683006286621
1991	4.78467988967896
1992	4.68267011642456
1993	5.50545978546143
1994	5.24475002288818
1995	5.13100004196167
1996	5.22780990600586
2000	4.8840799331665
2005	4.8967399597168
2006	4.73843002319336
2007	4.65364980697632
2008	4.63051986694336
2009	5.08131980895996
2010	5.53811979293823
2011	5.06814002990723
2012	4.86667013168335
2013	5.22909021377563
2014	5.16454982757568
2015	5.3155198097229
2016	5.28689002990723
2017	5.13822984695435
2018	5.12431001663208
2019	5.13429021835327
2020	5.60844993591309
2021	5.73000001907349
2022	5.20677661895752