Year	% of GDP
1994	13.883610041466603
1995	19.343070696600105
1996	18.6563390349611
1997	22.250659004195665
1998	23.66394022039949
1999	22.668383189092015
2000	20.715063281984687
2001	20.660662272766697
2002	19.962688228885828
2003	20.204592319532612
2004	20.33059787771094
2005	21.43938096554045
2006	22.123019917614787
2007	21.609388744778435
2008	20.68250003151349
2009	18.67103585841935
2010	19.65781233045837
2011	20.59910874461378
2012	21.075770173506815
2013	21.748807167295244
2014	22.048271853246806
2015	22.388436122918403
2016	23.503897813432893
2017	23.479512795022472
2018	22.826737181746307
2019	21.339226644212065
2020	21.8989696986506
2021	22.142164519304146
2022	22.789472166998316