Year	% of GDP
1977	7.109999357295002
1978	7.376805414207309
1979	7.596695711535953
1980	8.056905639634916
1981	6.661507381563483
1982	6.515908291002675
1983	6.669955207870617
1984	6.718362700672435
1985	6.618195691413934
1986	6.643946593525813
1987	6.579417326923548
1988	7.006136486386483
1989	7.462217738609114
1990	7.975244056430171
1991	8.71709361382299
1992	9.358648426394142
1993	10.107199482343265
1994	9.954856400209357
1995	9.47154111902645
1996	9.612021226270038
1997	10.298606765810243
1998	9.482511587402065
1999	10.650482052149295
2000	10.548761704415092
2001	10.773640834786457
2002	11.276725525922792
2003	11.840514769002443
2004	13.16351198368871
2005	13.808496599556015
2006	14.40677709629404
2007	14.272316191176682
2008	14.82859643273592
2009	12.923210704426669
2010	12.85382738305391
2011	12.534971841402212
2012	12.359829821824183
2013	11.99732233545772
2014	11.82711600223048
2015	11.742036994609125
2016	11.349809250340913
2017	11.93042324047379
2018	12.640179326723857
2019	12.662338405298671
2020	10.238096648541978
2021	10.465293360500281
2022	12.603024136551559
2023	12.782396341301748