Year	% of GDP
1974	19.599109028421356
1975	22.373365752328947
1976	24.8945085226564
1977	24.735243416463863
1978	24.611742644027252
1979	27.81046085480651
1980	21.41622574557082
1981	24.895190284249868
1982	26.092174646610566
1983	24.163568778656416
1984	26.319387931464433
1985	25.02180686013172
1986	20.499856836603207
1987	26.133015144769807
1988	24.826802638023356
1989	26.113353916831798
1990	25.966766086596664
1991	23.674570939122713
1992	24.908890866095184
1993	26.85003018719873
1994	22.65268535796815
1995	22.782466875780674
1996	23.710390981063394
1997	21.624696535063244
1998	26.39008936682181
1999	18.22913117938655
2000	37.575438103626766
2001	24.614891692378784
2002	24.69278897207811
2003	28.54061894922573
2004	20.499619723993646
2005	19.082605594846754
2006	19.775835050780344
2007	28.83999540200803
2008	27.50480706499066
2009	21.600114376890012
2010	20.91688901588006
2011	6.19456498973959
2012	6.569589658602112
2013	5.631448081594203
2014	8.697936981361423
2015	6.730837492434191
2016	6.823541599015575
2017	10.503596405733495
2018	7.069733197981708
2019	5.935307134855088
2020	6.4330391711617985
2021	6.365187815367506
2022	8.004773224000335