Year	% of GDP
1987	31.27035830618892
1988	31.085043988269796
1989	35.46666666666667
1990	24.065420560747665
1991	15.35135135135135
1992	19.924457034938623
1993	11.666386538928418
1994	9.013079073482428
1995	18.34054914494181
1996	25.197334963011713
1997	21.68013113600146
1998	15.444071922156494
1999	18.02621861152142
2000	20.010037072908013
2001	17.99928265444923
2002	17.606691540572243
2003	11.830015952994703
2004	14.488392772920603
2005	16.418207478354635
2006	24.195760812160973
2007	26.64299703236909
2008	28.94896003498023
2009	27.27035541183434
2010	27.401593597656298
2011	25.472963829740365
2012	34.96107369666697
2013	33.898835558527736
2014	36.75672707851877
2015	34.6714692626578
2016	33.939179293735116
2017	32.90209146243646
2018	36.01662915254618
2019	34.44626363423969
2020	25.030491398471067
2021	26.493665551814686
2022	35.64068817998155