Year	% of GDP
1987	36.92313466479005
1988	37.067090827807306
1989	40.34246015033442
1990	43.36467248314742
1991	44.7169710012297
1992	49.121442051570945
1993	49.10785825393986
1994	46.965792319873266
1995	48.931893302930604
1996	49.071384357790585
1997	49.72086672786645
1998	50.453685044160665
1999	49.344464561474815
2000	48.925443057980566
2001	49.10586788095781
2002	49.377114782387935
2003	48.886219496326284
2004	47.81488281393651
2005	47.735799148631926
2006	47.83761330024632
2007	48.695344414674494
2008	48.14669312964776
2009	49.922188690264505
2010	49.3386427981634
2011	48.9132604633526
2012	49.63413664349668
2013	50.7529539203581
2014	51.614145239773826
2015	53.14667099704356
2016	54.44279879223488
2017	54.595268177226544
2018	54.39026409300487
2019	55.2998071316694
2020	55.4745484431048
2021	53.9230883468954
2022	53.629250374228796
2023	55.119980782098956
