Year	Percent of GDP (Units)
1992	8.960
1993	31.090
1994	29.060
1995	26.594
1996	32.228
1997	36.746
1998	37.428
1999	50.237
2000	15.456
2001	20.753
2002	18.476
2003	24.103
2004	12.181
2005	25.560
2006	17.230
2007	15.879
2008	18.159
2009	12.524
2010	18.173
2011	12.846
2012	10.226
2013	10.854
2014	7.384
2015	10.284
2016	6.926
2017	8.657
2018	2.927
2019	5.006