Year	% of GDP
2001	27.423852598087485
2002	22.297065779831073
2003	22.41918971685798
2004	20.57806593539442
2005	18.111060070362704
2006	17.070797437933233
2007	17.392487290004667
2008	15.76936697857386
2009	21.887517594508772
2010	12.630428174727435
2011	12.522146214985616
2012	16.3908696482781
2013	18.52412078586785
2014	16.0467664551474
2015	17.80109732729835
2016	19.07651053360041
2017	14.845165114201416
2018	15.816501106115318
2019	17.996762534561856
2020	12.970998359562946
2021	7.8337447086996175
2022	8.459450536805322
