Year % of GNI 1970 1.2118283100221077 1971 0.7284604194065926 1972 0.6643658950879794 1973 1.1415165011007677 1974 1.4838010881561596 1975 0.5321374143711763 1976 0.6014928043910908 1977 0.568392552066825 1978 0.29593280578872244 1979 1.3240217577466094 1980 3.2042976188626637 1981 1.782333049132799 1982 1.2451575965453838 1983 1.5896125109801427 1984 0.32910192343639955 1985 1.0602982416762328 1986 0.9053599870153591 1987 1.0522464241328278 1988 1.259653156690946 1989 0.978708260073914 1990 0.6335608578274272 1991 0.6067375642367211 1992 0.4842927368497483 1993 0.555488761126839 1994 0.7705603609714481 1995 0.2567690667152123 1996 0.43086149312532945 1997 0.28245470263721534 1998 0.23826353575297066 1999 0.17674616326441112 2000 0.26521076955935785 2001 0.3414484287629585 2002 0.45725392937824944 2003 0.16781614201650993 2004 0.23583149355920036 2005 0.40786047711024226 2006 0.7480762491297624 2007 0.8987595209017801 2008 0.6891123504068224 2009 0.5177501644136421 2010 0.8750690627155914 2011 1.0731599085153218 2012 0.8729047761016668 2013 0.7898211655210221 2014 0.5806475229022426 2015 0.33166558418656805 2016 0.41865770428383603 2017 0.40603937591066325 2018 0.5203129565978267 2019 0.45374173908395576 2020 0.7233634587302823 2021 2.342972699368102