Year	% of GDP
1987	60.8796729017154
1988	60.0629565311657
1989	70.3592648621057
1990	59.4333436553037
1991	56.3332448772327
1992	45.7077442097603
1993	27.1444086620911
1994	28.7234814829324
1995	29.9993587098815
1996	29.5237149865058
1997	28.6220609982413
1998	22.5622500835649
1999	14.2843908832858
2000	17.4649201812329
2001	24.2633064289875
2002	19.1975373411355
2003	14.3561834653377
2004	25.6539720118683
2005	32.1530220394275
2006	30.8532933725145
2007	22.0523330657685
2008	49.2057876087633
2009	21.7497375837386
2010	33.2873704914624
2011	40.1340983255841
2012	25.055847063546
2013	16.5579387748728
2014	12.0093542433174
2015	9.49812397150104
2016	10.1923207968108
2017	12.3203094483764
2018	14.343668170972
2019	13.1611296712207
2020	11.5827986817016
2021	17.6577234520724