Year % of GNI 1970 9.263216276671733 1971 9.562477703323637 1972 9.87092613655883 1973 9.754101293573397 1974 9.708630095920926 1975 10.629403526181378 1976 11.024654944372193 1977 11.250827949753669 1978 11.494692260025388 1979 11.759223890967197 1980 11.456048011964548 1981 11.24707229518766 1982 11.685355498616849 1983 12.229339039425508 1984 11.831782779926654 1985 11.486047805089637 1986 11.907049746278405 1987 12.232710758515823 1988 12.144968984919418 1989 11.988276104608323 1990 11.748177404491107 1991 11.516000584003917 1992 12.267157046234235 1993 11.904337582800897 1994 12.084524039825327 1995 11.891489917201492 1996 11.909090292267688 1997 11.829923546372543 1998 11.967031635560708 1999 12.075847610164951 2000 12.182901167395592 2001 11.855937010953111 2002 11.587524286048852 2003 11.709703133965457 2004 11.412354568929093 2005 11.095160338121648 2006 11.046398749627407 2007 10.997761033270999 2008 10.1923276960198 2009 10.484630642168787 2010 10.970271834192221 2011 11.196030029322662 2012 11.366057628512273 2013 11.202997961679923 2014 11.0082051279289 2015 11.07661855893243 2016 11.023327134904045 2017 11.010903823099888 2018 10.916099621563129 2019 11.003964869581555 2020 11.348109121653614 2021 10.883895944048147