Year	% of GDP
1995	42.15734223566187
1996	40.90025286783092
1997	40.25215619932376
1998	38.91108527455067
1999	38.596736737982056
2000	37.80185298240264
2001	35.90253873009022
2002	34.780195287909024
2003	34.759685375170164
2004	33.45001933396939
2005	34.88078714781289
2006	33.55264349685977
2007	32.65050119569335
2008	32.42514921957015
2009	34.612542883068
2010	32.790990153747956
2011	34.85417027752239
2012	34.528201689801165
2013	37.147683534969616
2014	38.006062351983225
2015	40.62730636608959
2016	37.93384516129334
2017	36.209427822837156
2018	36.414717989634745
2019	37.073114068075206
2020	37.16715391459792
2021	38.004159966925684
2022	37.96512013837064