Year	% of GDP
1977	48.998757407761424
1978	47.63094787328032
1979	44.18581857509801
1980	40.65158421656086
1981	41.787414459982145
1982	42.56192277734505
1983	47.44715381995231
1984	43.67852405222369
1985	41.90549215942748
1986	40.98711645366503
1987	47.99342209990336
1988	47.708042603379816
1989	48.87199934901131
1990	48.1563982142719
1991	52.732240035839396
1992	55.75575900351253
1993	55.50192835300973
1994	54.693121755824706
1995	66.4338064861355
1996	58.991181282722515
1997	58.44899080116599
1998	62.400795222195114
1999	73.63268186835352
2000	72.44739201066012
2001	78.01618210518762
2002	80.31914986987383
2003	87.9381999468642
2004	86.21794621556363
2005	84.20128729319339
2006	82.43999164673058
2007	80.46725386046303
2008	79.37628376643143
2009	80.4392764064754
2010	86.11446471353584
2011	88.53011369271711
2012	87.68766050162314
2013	88.97857371744904
2014	86.72228807911702
2015	88.0056621173949
2016	83.87984595380105
2017	87.52282837176564
2018	86.46903777554374
2019	82.89679442733097
2020	92.53988585904992
2021	92.83112907840294
2022	83.25028183537978
2023	79.97603333521577