Year	% of GDP
1986	16.31402555677348
1987	17.969019374967854
1988	15.961299961037998
1989	16.16520701450551
1990	16.93257204360604
1991	12.52399281478632
1992	11.354658848446517
1993	11.929800585404418
1994	13.832244059561342
1995	12.7008257861854
1996	11.933142277859723
1997	13.797215313520747
1998	14.515103584544958
1999	14.742366935615776
2000	14.390098053791275
2001	14.910546343925837
2002	14.835743040343283
2003	14.251652881573614
2004	15.989718025621707
2005	15.281159489105892
2006	15.58456635858119
2007	16.819709229619455
2008	15.980007186331788
2009	16.360618880251348
2010	17.484948734002852
2011	16.069749632566435
2012	16.831673189447898
2013	17.545272120833218
2014	17.52381637765087
2015	18.478240535785275
2016	17.58994666357535
2017	20.528473311120376
2018	22.94000926437455
2019	26.427276814456796
2020	26.13789756840767
2021	27.31991763286662
2022	27.319917632552503
2023	28.195793771277767