Year % of GNI 1970 0.5647884538402799 1971 0.7327887519496507 1972 0.9793510286617626 1973 1.475152735924959 1974 5.764463281637213 1975 5.1515057818126015 1976 5.910503172111911 1977 5.9468051144945 1978 5.938252035791504 1979 8.420966821929444 1980 9.352247754742109 1981 6.747261639978656 1982 5.589218909713165 1983 5.269424584878001 1984 5.352113954959432 1985 5.229136821235833 1986 2.5064602284669224 1987 3.5473171294560886 1988 2.7098195971544974 1989 3.0980386136391616 1990 3.5652987433626557 1991 2.0345049972329097 1992 1.9232027654398856 1993 1.9075067050120116 1994 1.5708019531181217 1995 1.6220176174598504 1996 1.8660044921672916 1997 1.5577149431723027 1998 0.9140874510604519 1999 1.563200698035612 2000 2.707305305728173 2001 2.2478538983916843 2002 2.182329146596846 2003 2.3251793187632823 2004 3.27397441601368 2005 3.9255560743450664 2006 3.973923178657044 2007 3.4880521242059634 2008 4.680742354112264 2009 2.355142821470813 2010 2.8628893435726273 2011 3.5869504985406886 2012 2.8791215318784755 2013 2.372368451677521 2014 2.0685036689348326 2015 1.0473282426362587 2016 0.88449783141447 2017 1.1240208307286075 2018 1.51726175197671 2019 1.22709505145082 2020 0.702254353111175 2021 1.3566309291128735