Year	% of GDP
1992	43.25430036732363
1993	37.26128499091382
1994	30.09513298888985
1995	32.01356199549981
1996	30.830219242043416
1997	20.49937041245662
1998	20.500607983007548
1999	20.60037770240433
2000	18.69999385673916
2001	18.500010151665887
2002	18
2003	17.4
2004	16.2
2005	15.900002512026326
2006	15.298060582535303
2007	15.609081234480312
2008	15.92848821395029
2009	15.47120440055412
2010	12.50527682900287
2011	11.96847550647286
2012	12.364388188624357
2013	13.320391237242065
2014	13.245194591343315
2015	13.616882159429988
2016	14.139970579448654
2017	12.59554499541771
2018	13.434606820153963
2019	16.151976546779515
2020	16.154185855080158
2021	16.585700531458116
2022	16.630417546363304
2023	16.144459071404192
