Year % of GNI 1970 0.6223780175978952 1971 1.3300651007429858 1972 0.7263363164005021 1973 0.5025201447769939 1974 0.49796222976399623 1975 0.7379904678134114 1976 0.5080304896200513 1977 0.3664179478516328 1978 0.2788813595455676 1979 0.2005275260770037 1980 0.25730289167128045 1981 0.06983735214290082 1982 0.14475778139404033 1983 0.04333565665817909 1984 0.36653794571106274 1985 1.210658327869394 1986 0.4722672065607822 1987 0.4778400380484535 1988 0.45541086551463567 1989 0.35608872397094465 1990 0.36439596263553375 1991 0.44176968282084184 1992 0.42703402074641267 1993 0.7561014685948502 1994 1.1086147455965505 1995 0.47590707282894285 1996 1.2624067891153623 1997 1.290135970402713 1998 0.986201011865018 1999 1.4875637206348473 2000 1.620161470232188 2001 1.0735938659991526 2002 0.9694744681317149 2003 1.1709551566315795 2004 0.6684261990833806 2005 0.7118688434767879 2006 0.6493639390176918 2007 0.7026351434612771 2008 1.4060693051802964 2009 0.7260364558165586 2010 0.5986590828681614 2011 0.6300687913126762 2012 0.6587859072604034 2013 0.9440665142459155 2014 4.409059583943784 2015 0.9437413687884983 2016 1.6281959850615095 2017 1.6832947046866749 2018 1.5919166015141941 2019 1.1886135107623101 2020 1.754669746335209 2021 2.7473538889681484 2022 1.7988465552254025