Year % of GNI 1993 -5.44530074503689 1994 2.5767059069833 1995 -2.07409141294749 1996 1.73888389406427 1997 3.69503567517812 1998 0.733396469315695 1999 2.75210120689481 2000 -0.899274027628025 2001 5.25423603641828 2002 9.90216541086912 2003 15.8184371528916 2004 18.9296631248462 2005 23.3267068818265 2006 27.2554693262702 2007 27.1345971647551 2008 26.343387107865 2009 13.4879742324659 2010 12.5782786115798 2011 10.7152997427022 2012 13.5566829224021 2013 13.9788107440222 2014 12.7095593862025 2015 17.733879289587 2016 17.4690394349588 2017 16.3549456360106 2018 15.1189095519061 2019 9.8284630231173 2020 16.1759744462285 2021 16.9699550572336