Year	% of GDP
1981	14.80496832110634
1982	14.340093089541083
1983	12.852556883474694
1984	14.064690915491445
1985	16.521898893279953
1986	16.846969615420303
1987	16.585677044407365
1988	17.507673236718947
1989	17.63356228956712
1990	17.74034367223039
1991	19.115879157801633
1992	12.499057135110025
1993	12.702118472769502
1994	12.188081622908141
1995	11.879342598435157
1996	12.375863039320024
1997	12.946441524973961
1998	13.186354348144636
1999	12.235229526599316
2000	12.500048782592946
2001	12.500322922139112
2002	12.755895190851415
2003	10.989166289043501
2004	9.837710233905431
2005	9.761271549771681
2006	10.000747252207901
2007	10.944973022438358
2008	12.191482159746378
2009	12.507846545458273
2010	10.906133648944495
2011	10.113028868495032
2012	10.842954497800244
2013	11.167102631328472
2014	11.958331391037886
2015	12.850749789174365
2016	12.994821808693219
2017	12.643374693594387
2018	11.913567206963421
2019	12.632485715354292
2020	14.643340345298297
2021	13.402833414628217
2022	13.891833508133928
2023	14.667492347524169