Year % of GNI 1970 7.990227668567964 1971 7.0426319646822035 1972 7.040613101913753 1973 7.106517448469081 1974 6.917772587980407 1975 7.128775680268363 1976 7.107020776824432 1977 7.103493023658449 1978 7.103947644725974 1979 7.2085949838826515 1980 7.324664082896961 1981 6.944098660865807 1982 6.822401326220296 1983 6.69531333889608 1984 6.887716982113449 1985 6.770433250459118 1986 6.681515246149466 1987 6.9520308919386835 1988 7.3922027437294044 1989 7.253985574110092 1990 7.081603886733204 1991 7.336880862312993 1992 7.74557568731318 1993 7.730883778168389 1994 7.838023841488134 1995 8.004261513729901 1996 8.385786879779054 1997 8.423527157517446 1998 8.578076350335005 1999 8.437211327224894 2000 8.711555356369862 2001 8.469101686449022 2002 8.482599407177133 2003 8.320036062642876 2004 8.326993828159244 2005 8.261197492536946 2006 8.31968287863426 2007 8.072126398528248 2008 7.881212156486924 2009 7.645640366130089 2010 8.141344493575383 2011 8.337116217189335 2012 8.704928787953465 2013 8.706749000100789 2014 8.591147112445672 2015 8.46926943733215 2016 8.268714814935517 2017 8.230781206999328 2018 8.220505888327475 2019 7.403709259969281 2020 7.571530240337227 2021 7.535446723808266