Year	% of GDP
1990	16.482179567149085
1991	17.334293917278014
1992	18.207236976072764
1993	21.09257495921135
1994	20.403468529588665
1995	22.43408903597947
1997	21.174838922013087
1998	19.052923792802094
1999	19.67084665809161
2002	22.077126479230134
2003	20.809531973224757
2004	21.36841755929609
2005	25.459656321554487
2006	22.944238832604118
2007	23.331035096736656
2008	24.413214298717694
2009	23.986402614420644
2010	25.028144803024176
2011	27.06399922975417
2012	27.368720415520563
2013	25.698716149995253
2014	25.417033633097475
2015	23.06060833729857
2016	22.7685873873314
2017	22.67927122982309
2018	22.857506921221482
2019	23.38767788643014
2020	27.21021230695771
2021	25.66776357320226
2022	28.216413785032607
