Year % of GNI 1990 1.0735688846762 1991 1.08294184427669 1992 0.988178214534801 1993 1.04620004649497 1994 0.946757440685925 1995 0.651811276271713 1996 0.684497345158368 1997 0.721647929604515 1998 0.686160702632655 1999 0.695937505155333 2000 0.845933149756224 2001 0.929106964334444 2002 0.991961206624862 2003 0.895803240146343 2004 0.813009150402621 2005 0.807650667091442 2006 0.836480932045963 2007 0.652360395593283 2008 0.642114840218039 2009 0.830047231436526 2010 0.825112268894797 2011 0.760212220246756 2012 0.72336935644882 2013 0.701379216800494 2014 0.650106581129076 2015 0.821242684960651 2016 0.770917788023811 2017 0.71602353470535 2018 0.719481103941903 2019 0.823163297807603 2020 0.742203420887807 2021 0.680518844532483