Year	% of GDP
1980	23.314754194100146
1981	25.104248091946296
1982	19.276768243763904
1983	19.561130700464183
1984	23.241963667831197
1985	21.663149193365427
1986	20.13211450875701
1987	20.9810875482984
1988	24.060981532717783
1989	29.57039416811329
1990	22.149281900668345
1991	24.335212433602706
1992	23.12213885641882
1993	25.114891284920155
1994	18.40275628998306
1995	19.56107239252129
1996	18.244373489124552
1997	17.886422524720533
1998	16.708471052362015
1999	21.444823836169814
2000	26.34317282331718
2001	22.098093427704665
2002	20.744609124664766
2003	17.809299561220016
2004	16.794357144609577
2005	17.889638083774738
2006	17.356516959659082
2007	17.39253248597315
2008	21.149803919320338
2009	16.343415148106775
2010	15.272657482614212
2011	11.585867248289214
2012	12.569702630870031
2013	14.059433413342582
2014	17.202220017441675
2015	16.684204069083673
2016	17.947316496334338
2017	15.04632756434974
2018	16.519235802764495
2019	16.855188173815908
2020	18.50711571312504
2021	21.7881415868831
2022	21.59168625563252
2023	21.255523388694193