Year	% of GDP
1995	29.5935512667703
1996	27.5201146545606
1997	28.1324303827731
1998	29.9799290090925
1999	32.1381117967843
2000	30.6916652591526
2001	29.0105568763697
2002	20.8471811483887
2003	16.3172907951623
2004	17.9723272115753
2005	19.7641139850704
2006	20.6758725086465
2007	20.9971525060439
2008	19.8673659513326
2009	21.0871378591617
2010	20.5887236015129
2011	19.4984542321658
2012	19.3351417438786
2013	19.6516929874558
2014	21.1675841729539
2015	22.8301124301281
2016	23.1375384615385
2017	23.2487465181059
2018	20.3227040816327
2019	22.8672588832487
2020	24.2284946236559
2021	23.5235897435897