Year	% of GDP
1990	39.17402152697482
1991	41.39872015567689
1992	36.18660325255353
1993	37.192991136322085
1994	43.793412033436184
1995	40.927513472563895
1996	38.44100179863036
1997	37.4214617907772
1998	37.70099040639167
1999	38.14741515144669
2000	39.320489785045
2001	38.22174950684581
2002	38.063751721284525
2003	38.11653490051716
2004	37.254036909001215
2005	36.305773490423825
2006	35.66087737691749
2007	33.89626339067938
2008	35.315794503009826
2009	39.190957281172835
2010	40.03630007152192
2011	40.49952845036223
2012	41.925143361894754
2013	42.75392068002917
2014	41.47942822062051
2015	42.495359192334405
2016	41.81660744817793
2017	41.08630177753007
2018	40.40905553775468
2019	39.62984954459871
2020	39.10305527083251
2021	35.378596828269885
2022	33.328034274062006
2023	32.27780475579403
