Year	% of GDP
2004	2.0194641257431387
2005	7.665441527732185
2006	10.587646386363964
2007	1.2824898458452534
2008	13.510816447860085
2009	-0.9711765472563442
2010	4.503154209252705
2011	15.963965409786246
2012	10.770236287626085
2013	9.572645189300532
2014	1.100848149742487
2015	2.374393391289496
2016	5.344464240763936
2017	-2.805683163234734
2018	-1.5464086020842907
2019	5.752048097534711
2020	-1.9432933650360293
2021	2.68449028742413