Year	% of GDP
1998	18.185737672776987
1999	18.003726115403616
2000	15.494349659240303
2003	22.838001352353558
2008	21.901489862638908
2009	20.949409459023038
2010	21.574425431018675
2011	23.49200853603178
2012	26.335479747399543
2013	24.498570354281586
2014	23.44699430548225
2015	24.1024162766989
2016	24.223421278058783
2017	22.584286199958395
2018	23.4751871722398
2019	25.575368512730996
2020	23.687130371231568
2021	23.547475956324462
2022	24.76963504878514