Year	% of GDP
1990	83.68301317770062
1991	83.82232318236416
1992	82.3726332968559
1993	83.85107475849829
1994	82.611019219184
1995	82.57846918864458
1996	77.97833518379254
1997	78.15186143971096
1998	79.97058794774286
1999	79.32681769021289
2000	78.68899188986433
2001	77.58855984652703
2002	77.3114399222522
2003	75.56463451492357
2004	73.99167423575017
2005	74.43274282081654
2006	74.25320458461523
2007	73.9216673590023
2008	74.78062201452532
2009	75.29495499960942
2010	72.09229174227319
2011	73.06009992680201
2012	75.81379421090507
2013	74.25670024589951
2014	73.90173136490723
2015	74.6364280378743
2016	73.08971584162474
2017	72.11077629795032
2018	72.72019406927545
2019	72.39623983840741
2020	72.06390852529103
2021	73.65153117694904
2022	75.0052987056687
2023	75.00539912842744
