Year	% of GDP
1986	14.224699761307313
1987	15.558336834869339
1988	15.309343306588877
1989	15.362152171134444
1990	16.007837972148554
1991	15.906691869533551
1992	16.611031906162655
1993	16.50745486000626
1994	17.590190674630772
1995	18.345528436866037
1996	20.201580789482882
1997	19.903471193465794
1998	21.256849973496937
1999	21.610059007407763
2000	21.84481113057524
2001	21.40424480657145
2002	21.174589378255238
2003	22.15319016740628
2004	23.04643954078885
2005	23.158052259302565
2006	23.188844405531583
2007	22.990181445951173
2008	23.61270517855053
2009	22.667735510172935
2010	23.072221023276988
2011	23.299956485802966
2012	25.014644581080592
2013	26.861736621662573
2014	27.06009639216748
2015	27.236529382686157
2016	28.354183656788063
2017	29.063047885037836
2018	29.797834454558547
2019	29.510422924146916
2020	28.482685364055467
2021	29.28073213043249
2022	29.536217365519242
2023	27.138550678150324