Year	% of GDP
1980	42.10606852593063
1981	43.93024773503267
1982	44.54411051443238
1983	45.170579110367946
1984	44.73834286496174
1985	45.040272201112714
1986	50.74031319799549
1987	52.37357298883606
1988	53.694273670123636
1989	53.1109191142116
1990	54.41123529040964
1991	58.4218459188612
1992	58.724918521943216
1993	57.04862699817155
1994	55.78797368802355
1995	57.2593148158474
1996	58.07915766260716
1997	57.462592512003894
1998	58.51872418255808
1999	57.76079480311074
2000	54.23277421588312
2001	54.06424132115989
2002	53.62239893335293
2003	54.102351531112745
2004	55.4170481767709
2005	54.05979536072213
2006	52.4180250923205
2007	52.05071559585062
2008	52.75583698352862
2009	54.50750006273611
2010	53.01981879518014
2011	51.566732364877495
2012	51.07354119206359
2013	51.40762873780568
2014	51.607928859335914
2015	52.35189479837252
2016	52.13716017739881
2017	51.32872733516438
2018	51.05024794469695
2019	50.400738601596274
2020	51.665077639586556
2021	49.51735211893843
2022	48.970649276674514
2023	51.335866181886935