Year	% of GDP
1998	23.810231402056008
1999	20.692767255624762
2000	22.94217213874977
2001	24.3426843538683
2002	22.797397307902447
2003	16.69344976400554
2004	14.223086749506445
2005	5.1464038661991856
2006	14.877445056547792
2007	16.899527994408185
2008	14.619850792125227
2009	7.995840408159949
2010	15.783654359396685
2011	15.279574208703151
2012	14.218144315231692
2013	18.419432769632987
2014	22.444175410277108
2015	24.789513195126176
2016	26.68416216958317
2017	28.951059612745844
2018	28.472594711643524
2019	30.529760893813716
2020	27.086613435297647
2021	29.02157547063073
2022	31.271783580992196