Year	% of GDP
1990	8.69128210429419
1991	7.06674724228411
1992	8.567803475642268
1993	12.38367959877734
1994	14.195373482144166
1995	16.578538873936335
1996	13.729298890654404
1997	11.168249607914733
1998	10.105463917619495
1999	10.166846991600062
2000	10.812805197321916
2001	13.837039970742032
2002	14.281641627355658
2003	15.093122761329283
2004	16.045583308834075
2005	16.98336705645137
2006	18.414991447908903
2007	19.830625586965457
2008	19.464611355085715
2009	18.194265831426502
2010	19.607528736686923
2011	21.634282326673933
2012	22.372111684506983
2013	19.012787601366565
2014	18.069209276081338
2015	17.104911553096525
2016	16.349975063903965
2017	15.66349156580429
2018	14.739143393171123
2019	16.036746148498576
2020	13.5038738462361
2021	14.12002232658151
2022	15.413710520168285
2023	17.804729141079836
