Year	% of GDP
1998	14.41060226202859
1999	14.382237389155824
2000	15.541970613871477
2001	19.693005358438427
2002	18.076165516874774
2003	17.327987613792263
2004	17.905529029911808
2005	18.43992379915635
2006	20.063887939229584
2007	22.939438917218983
2008	24.440578665906113
2009	20.973637653806865
2010	22.0295838230001
2011	23.22825586369996
2012	22.656060913628682
2013	21.1068548167065
2014	20.592279993644183
2015	20.81504314133655
2016	23.688866399340593
2017	25.09742536863685
2018	24.948839104026195
2019	24.10240041902985
2020	23.55866633976949
2021	28.574733999147472