Year	% of GDP
1972	0.38523668157069735
1973	0.496428305379387
1974	0.28042174688810045
1975	0.3853192830962934
1976	0.4788413448638633
1977	0.5552817650024954
1978	0.5812299514976973
1979	0.3974206104099823
1980	0.35579582467274967
1981	0.41211723554975943
1982	0.2254892350208671
1983	0.03931787113629721
1984	0.11931510447606179
1985	0.08786707237607354
1986	-0.05145258549590136
1987	0.26695950551673076
1988	0.3842123607927215
1989	0.7917387261006181
1990	0.5032494957773795
1991	0.4197506027562547
1992	0.7645782645341692
1993	1.135303368004056
1994	0.645818401798913
1995	0.9026669921662304
1996	0.9048486961693258
1997	1.5639515377662239
1998	1.940259085052027
1999	2.8235818168617697
2000	1.7306026843269848
2001	2.8845562475739137
2002	2.5924544043329023
2003	3.602705360870854
2004	3.0647417253243696
2005	1.663304942209194
2006	2.226764082901441
2007	2.557008678802805
2008	3.0986592728001003
2009	2.5691126748872852
2010	2.6919139670192633
2011	3.0440543518551215
2012	3.6468687372001014
2013	2.8309897582364094
2014	3.0778611760689474
2015	4.186746017726764
2016	2.7806105932246465
2017	2.051495706479351
2018	1.6836071395990455
2019	1.7508568616271074
2020	2.017808723032977
2021	2.2048768784377675
2022	1.7961019266229992