Year	% of GDP
1991	18.410916686546518
1993	12.582462649504473
1994	13.201490944389413
1995	19.824546890876793
1996	18.90896741466947
1997	21.646091447723958
1998	22.186709547089105
1999	22.213817150751577
2000	20.300373277696945
2001	19.404629211764902
2002	19.20183971046981
2003	19.063854429754816
2004	19.362009265920253
2005	19.754629223377034
2006	20.484203180346505
2007	20.36935435219044
2008	20.48203391621946
2009	17.040128802396843
2010	15.964973466168539
2011	15.482376950559514
2012	15.529960150149522
2013	15.601214639198613
2014	15.836337850220842
2015	16.694862685388824
2016	16.93159775161969
2017	16.6506470517037
2018	16.78390655469886
2019	19.973851675559793
2020	19.9876338324741
2021	21.27890724099517
2022	21.103640004527517
