Year	% of GDP
1990	17.567337197408797
1991	17.15480468881201
1992	16.810193187206508
1993	17.31822394472997
1994	18.380535304229983
2000	25.944225629483753
2001	24.816102174440225
2002	21.044612788125864
2003	21.50191734128675
2004	21.050539590685577
2005	22.14032610240617
2006	20.481320577957607
2007	20.355010504709657
2008	25.53769364985613
2009	26.081768926975425
2010	25.21426465132649
2011	26.353629094775076
2012	24.521096866544315
2013	23.731066539103047
2014	24.19263235694558
2015	24.716192687173535
2016	25.845255130756584
2017	22.92490118577075
2020	26.749462622402675