Year	Percent of GDP (Units)
2002	33.908
2003	29.616
2004	37.216
2005	30.226
2006	20.844
2007	63.390
2008	33.769
2009	41.587
2010	29.430
2011	26.574
2012	10.864
2013	1.444
2014	6.549
2015	3.709
2016	9.029
2017	7.576
2018	12.143
2019	11.705
2020	13.974