Year % of GNI 1970 0.0303426491361419 1971 0.030216806373327 1972 0.0278406005075052 1973 0.0602008523848433 1974 0.0543640806813088 1975 0.0286787353595515 1976 0.0239134325773524 1977 0.0209726620552288 1978 0.0103193127285006 1979 0.0104161921137835 1980 0.011018261747952 1981 0.00962994929797324 1982 0.0145401265456824 1983 0.0106729332445151 1984 0.01090090105821 1985 0.00864088969020749 1986 0.0049305879608946 1987 0.00381805207001891 1988 0.0162747077975195 1989 0.0198159359856742 1990 0.00899060146396491 1991 0.00650069623493039 1992 0.0074181692402822 1993 0.00433342273518224 1994 0.0103689831395579 1995 0.00648772052257944 1996 0.00837574659255397 1997 0.0033441078221147 1998 0.00654981195064996 1999 0.00385341940843083 2000 0.0031670034959587 2001 0.00261649645730646 2002 0.00187363522745555 2003 0.00105494519323256 2004 0.00429477602838973 2005 0.00947279151087434 2006 0.0133140262768254 2007 0.0139103532369205 2008 0.0210243354785808 2009 0.0129420479345634 2010 0.0161875113909655 2011 0.0148536129766188 2012 0.0144667675219333 2013 0.00850991758947337 2014 0.00421796903817149 2015 0.00298928049418073 2016 0.00296259727410286 2017 0.00344576552023575 2018 0.00259509910871519 2019 0.00236790519368355 2020 0.00151485274822199 2021 0.00298428672845305