Year % of GNI 1970 0.8138098996421267 1971 1.004712696517413 1972 1.071577478079332 1973 0.7978155962993649 1974 0.6821527289404123 1975 0.5717745560204748 1976 0.610294914450773 1977 0.625512247208522 1978 0.7158554038532152 1979 0.8088121526262864 1980 1.5551008992252084 1981 2.479536480326538 1982 3.646392542003708 1983 3.829030377578846 1984 3.8740374315867854 1985 5.409399249462399 1986 4.604983681171885 1987 5.446418407886942 1988 6.975384736018656 1989 5.827618715703988 1990 4.392540667761099 1991 4.725482757373175 1992 4.7707477894004535 1993 3.8900185137756225 1994 6.0085725099281335 1995 5.485833360191447 1996 4.691110580895458 1997 4.657141518965066 1998 3.863214805890986 1999 3.3669265582366665 2000 3.601842602890303 2001 5.8511652270422205 2002 4.272525832594766 2003 4.0311664881902045 2004 3.0128195048378674 2005 2.514207908256093 2006 1.9483912495008642 2007 1.7580212151393164 2008 1.7137041977490237 2009 1.7812657203273328 2010 1.3914438405978762 2011 1.357859192908858 2012 1.1996396201792818 2013 1.0140307795706387 2014 1.2625582369198456 2015 1.2790205627718214 2016 1.5037972496605543 2017 1.973085376199752 2018 2.0489940574439127 2019 2.4662231128043577 2020 2.559835574425457 2021 2.725036218476939 2022 2.381750610889848