Year	% of GDP
1985	11.814998969921714
1986	10.11933714598013
1987	12.25615553248114
1988	11.212020212443095
1989	11.767020719783638
1990	14.527559055118111
1991	18.758943671133082
1992	19.82225656877898
1993	27.27272727272727
1994	50.1649089946659
1995	31.310357886763875
1996	18.835115795952913
1997	18.160359961643433
1998	19.589600904269194
1999	20.437452563306422
2000	13.958560523446021
2001	16.24273788019333
2002	13.834386431659462
2003	18.806142656757554
2004	15.361777441159704
2005	17.45091434798642
2006	16.86212513151564
2007	50.02523968182301
2008	31.525372200860037
2009	41.462775290609436
2010	29.632511467161898
2011	25.009806620817837
2012	29.046943898681622
2013	35.830976479070806
2014	41.742214645991396
2015	59.386641644422674
2016	59.250036475212106
2017	27.91478645251373
2018	20.058578307342607
2019	19.883278099778682
2020	17.70594600793056