Year % of GNI 1970 0.4620977474142861 1971 0.4351432931605346 1972 0.35566392398130015 1973 0.4585633205588035 1974 0.4793013166330666 1975 0.564274477419648 1976 0.4840565349524911 1977 0.4933172173123921 1978 0.49022944019407155 1979 0.5273620471920278 1980 0.8778096284342523 1981 0.7753508464560684 1982 0.8720527909547379 1983 0.9488332103001578 1984 1.2474385085937627 1985 1.6026652856414607 1986 1.504961277399296 1987 1.2101816839889457 1988 1.336436834710748 1989 1.2090423576003486 1990 0.9076417370397669 1991 1.2849259883984463 1992 0.8578085707657618 1993 1.1275381949687093 1994 2.216583798796056 1995 1.9567124580740014 1996 1.743776505284824 1997 1.907190576905892 1998 1.7099282972349965 1999 1.6372076110905223 2000 1.288802697871899 2001 0.8862754605454012 2002 0.9327958320343298 2003 0.907975369867309 2004 0.8950091203371153 2005 0.6773834773563576 2006 0.6628863065046067 2007 0.49375099735261474 2008 0.44549182401367 2009 0.4709880466152295 2010 0.4939848917962328 2011 0.5548670251589967 2012 0.5337472750462082 2013 0.5581124449903657 2014 0.6635843567050769 2015 0.8692551496719859 2016 0.8661081275737063 2017 0.8529975812992032 2018 0.7489579862663795 2019 0.8461099686886979 2020 0.7945426731588991 2021 0.761643582991513 2022 1.016600565439302