Year	% of GDP
1990	30.245494201651553
1991	32.1299111323629
1992	34.01727506201023
1993	33.69822325624155
1994	44.01750571052214
1995	35.8414007648945
1996	37.92075014441741
1997	44.293288717440774
1998	30.296627995094166
2008	40.88917536019816
2009	48.47102586255455
2010	45.14531479499603
2011	40.076953806782704
2012	37.96022912281264
2013	32.12164527547715
2014	31.346416683273908
2015	29.005674888614653
2016	30.033327226284733
2017	29.667076984780667
2018	29.211289501929453
2019	33.904800271311615
2020	41.801640169420516
2021	42.57572084115581
2022	35.24579456515085