Year % of GNI 1976 4.454912076590086 1977 4.118101635486907 1978 5.309732616021419 1979 0.019862879339227035 1980 4.24184979333365 1981 6.874007285762092 1982 7.999455762004361 1983 8.504584853124562 1984 10.10876766817245 1985 8.247966361587043 1986 11.920954293986334 1987 10.056167945104603 1988 9.212884743393289 1989 6.414446702212668 1990 6.338845891431371 1991 9.241831563282632 1992 6.575921835320804 1993 7.260518157716021 1994 9.769545452352096 1995 8.754668429986593 1996 6.695024577169007 1997 6.926870956919213 1998 5.6079704357855595 1999 5.4148196791222905 2000 5.277827010625857 2001 5.090002523448959 2002 5.073690570066851 2003 6.214541281004528 2004 7.209202734215813 2005 6.132019733604401 2006 5.363463274333981 2007 6.172330632316964 2008 11.251481821854144 2009 9.30981996201477 2010 7.879492920111111 2011 7.420943044575075 2012 12.146702909666082 2013 6.1335160858103075 2014 8.863185040347725 2015 6.661897692472084 2016 6.198390992102347 2017 6.034721625282744 2018 5.39851199008824 2019 7.2613671959199415 2020 11.071988914147912 2021 11.721949058493891