Year	% of GDP
1990	23.833128445096563
1991	22.33382461311717
1992	16.903386454183266
1993	15.213783874205419
1994	21.23896499238965
1995	11.15666426532735
1996	12.068597377670098
1997	18.522634900133493
1998	19.37550127479031
1999	20.032295734014575
2000	20.457993065214854
2001	19.78049412702642
2002	18.147665811375553
2003	20.115186152398262
2004	21.029570986563844
2005	20.885521991507797
2006	21.812020406638986
2007	21.760613299220555
2008	21.973879820444065
2009	18.586498644158052
2010	17.871431557045913
2011	17.882715147573077
2012	18.38533526466447
2013	19.686282235330193
2014	19.566620772753733
2015	20.077803641444156
2016	20.333029961508217
2017	20.523224655166032
2018	19.912689171551083
2019	20.48281509135135
2020	20.278213339967223
2021	20.67434417284971
2022	21.79695918053871