Year	% of GDP
1998	13.74373215445233
1999	13.476921281861799
2000	11.219754185325012
2003	11.25882686384817
2008	13.031511014491565
2009	12.675227384194582
2010	12.142165202367407
2011	14.575881186967205
2012	13.226990714276088
2013	14.022114346450673
2014	15.69974837200144
2015	15.797262655066058
2016	14.3852129298513
2017	14.850818408179089
2018	14.609842448027177
2019	14.900524623260017
2020	14.045238555397116
2021	14.446323096520727
2022	15.277879925441646
