Year	% of GDP
1991	30.12821251038376
1992	29.576597647210235
1999	29.25255953232021
2000	28.121397426295857
2001	28.896542517114266
2002	27.339580526410973
2003	28.676090768304956
2004	25.602848036493626
2005	25.407363019115998
2006	23.98290050979926
2007	22.947742850515912
2008	25.16242169779804
2009	27.04362446377585
2010	28.102114435664525
2011	34.19763971879846
2012	31.688090441927418
2013	35.44843035780205
2014	37.151927284192816
2015	38.00106775055397
2016	35.45157830374791
2017	38.562100054817975
2018	35.0992335146792
2019	34.52397522641505
2020	40.31528871389928
2021	37.60299134213825
2022	35.72404079815713