Year % of GDP 1990 0 1991 0 1992 0.265019424803819 1993 0.269481559954211 1994 0.46429816967471 1995 0.587001273396887 1996 0.315447039873551 1997 0.325824776941614 1998 0.114669585263612 1999 0.177492136329341 2000 0.293454324735587 2001 0.299938081907512 2002 0.591149484619269 2003 0.0332345972061296 2004 0.0217229048828517 2005 0.0102574769913297 2006 0.0158025574327042 2007 0.00929597821347469 2008 0.21347522521498 2009 0.374259981258235 2010 2.65466288053785 2011 2.92345860143158 2012 1.49013408946162 2013 1.09715390175807 2014 0.306948916876512 2015 0.760031512473456 2016 0.22181770783942 2017 0.245815847777951 2018 1.09866113638474 2019 2.20100166948291 2020 2.42190551071811 2021 7.05429982361028