Year	% of GDP
1998	7.651462458080377
2002	5.233839397770922
2003	7.867692033708419
2004	9.13494680692399
2005	18.431343225006053
2006	53.93366131300626
2007	39.463551283720975
2008	17.439690081927715
2009	24.22139280295381
2010	18.01635106401558
2011	11.700007080959878
2012	11.318635569647032
2013	11.083843876652843
2014	10.375709114160726
2015	18.92303372092503
2016	29.25532214571919
2017	27.31215164671912
2018	20.63413326830327
2019	22.370484814056507
2020	22.34154864970728
2021	33.368939886394934
2022	20.296525543492155