Year	% of GDP
1990	15.5492022502738
1991	7.34652576867916
1993	35.4573315880059
1994	38.3122460381466
1995	20.087202730857
1996	21.6088403332231
1997	15.0224092579053
1998	4.8840188982702
1999	17.0099980276687
2000	32.9457476254157
2001	23.7019953992356
2002	23.2537194764338
2003	23.6510138139512
2004	26.8343888172544
2005	37.4466296016638
2006	39.5813073807196
2007	36.8683513686981
2008	39.5007730331452
2009	26.6788300895754
2010	25.5154476387508
2011	29.7979549979878
2012	25.8177819240506
2013	22.5837832214089
2014	20.2463063109853
2015	12.069575141696
2016	12.7825654497772
2017	17.1235678602694
2018	24.1724100094907
2019	20.4577104992688
2020	11.1476827315754
2021	20.983375083624