Year	% of GDP
2006	54.01264515970395
2007	42.11195540446775
2008	35.43988804762577
2009	35.29072682323196
2010	37.819507120059306
2011	43.29687984775839
2012	51.56478324649261
2013	44.69255301037221
2014	35.68032004119999
2015	27.482692612142205
2016	32.98423413141502
2017	32.9057371376065
2018	31.906397515730433
2019	30.79019383608656
2020	24.442437411992607
2021	23.964511605603995
2022	21.265806507116057