Year % of GNI 1970 0.25223903799049596 1971 0.17309910762635172 1972 0.17583305229461257 1973 0.3097297128130562 1974 0.4103254818583801 1975 0.1850390573035113 1976 0.20732855211212609 1977 0.21764747614616445 1978 0.15115972449640963 1979 0.33904752935091215 1980 0.5978401794843634 1981 0.36540147085288244 1982 0.2841453863308276 1983 0.3251708651567984 1984 0.1615168741197169 1985 0.20737874918453095 1986 0.16848805356297605 1987 0.24391259803309973 1988 0.4968188917215785 1989 0.3659909897867893 1990 0.24421813754919075 1991 0.21759807118830057 1992 0.18705453260543972 1993 0.13397593863849583 1994 0.17430567630740518 1995 0.16016054359926174 1996 0.12419005100663569 1997 0.10247927121636619 1998 0.11921715257210422 1999 0.1124651374274565 2000 0.11405964044272802 2001 0.09603028039697784 2002 0.12097611393359692 2003 0.107782689841302 2004 0.1792306169744235 2005 0.3262506524146821 2006 0.5854416632307945 2007 0.9022696003511854 2008 0.8744959809144216 2009 0.4653135534019964 2010 0.8887315789197618 2011 1.0712627148882425 2012 0.4923882238129825 2013 0.4123429513053239 2014 0.28557370164379653 2015 0.1834252883702204 2016 0.2077849872544184 2017 0.22204647778633568 2018 0.234590043558688 2019 0.22036674722995242 2020 0.24357716514490568 2021 0.7107365034535658