Year	% of GDP
1992	16.474745594209892
1993	17.303504801399345
1994	18.867631239312622
1995	19.42547020541038
1996	20.102969511294088
1997	19.801704632468933
1998	20.502075070441396
1999	20.838842986000998
2000	20.09583876877262
2001	19.949396865910067
2002	20.503269512877935
2003	20.665570282419477
2004	20.634255108070963
2005	21.148998492558263
2006	20.893860031577034
2007	20.074751116627915
2008	19.407959215411143
2009	17.99715111824663
2010	18.057302365375516
2011	17.839164269942533
2012	17.86731691418088
2013	17.89986940647083
2014	18.168817949331956
2015	18.49388307991727
2016	18.6066578234862
2017	18.33812241929971
2018	18.520786854228813
2019	18.685493877431554
2020	17.196255527854845
2021	18.59076660649437
2022	18.135327083560853