Year % of GNI 1970 8.92051707333205E-05 1971 1.81011424321387E-05 1972 0.023211626997317 1973 0.860345010711628 1974 14.5986630284632 1975 6.60753428585084 1976 8.34188914289338 1977 8.00938453927655 1978 9.78456830190398 1979 23.0814476959592 1980 19.5382557129176 1981 12.2728167979399 1982 5.20145720419965 1983 13.9052041495801 1984 17.07944437325 1985 18.7811670075849 1986 7.25191693927795 1987 13.7144941504657 1988 15.4608435893989 1989 30.3695798508455 1990 35.5130621912205 1991 20.0582241489698 1992 21.8788624744713 1993 28.779113875049 1994 25.9122992129864 1995 37.8831809184757 1996 41.0195999201112 1997 38.6244551762621 1998 21.971180057335 1999 35.9678270650537 2000 59.9288923341229 2001 45.3446204273521 2002 41.1020219947881 2003 29.6551727340832 2004 36.6626970382085 2005 40.5715593129962 2006 42.0629588496395 2007 34.6076171652061 2008 37.7043226958844 2009 24.4259793711473 2010 32.3747224829651 2011 39.1343982470507 2012 28.3501622080483 2013 18.0888186821667 2014 14.3577069668689 2015 6.9015727405774 2016 7.34543752542659 2017 17.2921171189376 2018 26.3857569444093 2019 26.6572070502347 2020 16.7936267833781 2021 21.8748521200386