Year	% of GDP
1990	23.01056488445998
1991	26.95733052629717
1992	25.105704719309152
1993	26.130345459808474
1994	24.08861488690072
1995	25.01869454956274
1996	23.986629478751922
1997	26.66870600962733
1998	25.69348773207417
1999	27.91512800867671
2000	27.428509040792292
2001	26.309462849394695
2002	26.061996674151615
2003	23.194769224005615
2004	24.27282174348572
2005	25.729009877012444
2006	29.072166606464698
2007	30.525290604961718
2008	29.701193518390035
2009	29.07230526331176
2010	25.542315977769057
2011	29.550590421820356
2012	32.93275144259246
2013	32.98071933719693
2014	34.62868810105845
2015	33.4223868666157
2016	29.67346383806597
2017	31.30769714554687
2018	28.93171444038533
2019	30.393095678395404
2020	31.205911071425223
2021	28.063986589726724
2022	27.17154832071263