Year	% of GDP
1990	29.3522096026061
1991	27.614470742804713
1992	25.526650854011145
1993	23.456036622689513
1994	19.953335440970022
1995	23.633149855683854
1996	34.081267910185396
1997	34.83388262344737
1998	34.44114924008401
1999	29.29141821662015
2000	27.058001551242732
2001	30.648753599828293
2002	30.085173924108275
2003	25.5836437557658
2004	26.74920663589907
2005	29.668014270348113
2006	28.471474949400232
2007	28.20554551949681
2008	28.414062208642378
2009	20.502923145064166
2010	24.489264857573435
2011	25.718686940041074
2012	20.72683774664556
2013	20.994327598912825
2014	21.863472032122157
2015	24.627085064771943
2016	23.269643953487247
2017	23.058990625438135
2018	23.352102020532076
2019	23.727539039768978
2020	19.89240370596426
2021	22.148949408689532
2022	23.04521132255422
2023	19.617119698318078