Year	% of GDP
1990	53.51548558512115
1991	39.37288135593221
1992	39.548804780876495
1993	43.68350618936099
1994	43.71518264840183
1995	27.969619268827454
1996	32.06952095865878
1997	25.779881073058895
1998	30.38556482798702
1999	34.42140330510768
2000	33.999661509666886
2001	33.870299400826575
2002	33.24770833719807
2003	34.96609017910437
2004	34.23217477838137
2005	31.47271936846995
2006	29.646050483547032
2007	32.82545407721061
2008	31.844716180610146
2009	33.858703156598466
2010	31.651484780544237
2011	29.869932710860432
2012	30.93986449737659
2013	32.950887648772984
2014	37.999902029393844
2015	34.34870484196817
2016	32.0921237931982
2017	32.05380985923401
2018	33.0964612331195
2019	33.06146540859342
2020	36.6853260692529
2021	37.916672222045655
2022	39.48342071999772