Year % of GNI 1977 0 1978 0.8678208520961989 1979 0.00290028864665622 1980 1.3662676730636087 1981 2.0378602933465406 1982 3.036157231787171 1983 3.5557412172216916 1984 4.076976668859477 1985 3.3814263322324143 1986 1.2850884041734298 1987 2.941210681630421 1988 2.6678906839333747 1989 6.483038227524503 1990 2.5963536314250324 1991 1.9715518490869122 1992 2.9484096843168066 1993 2.409657611531473 1994 2.3831188253512594 1995 2.5353923166727244 1996 2.5067115726799725 1997 4.379234356976392 1998 5.931818610815212 1999 6.2997260084108495 2000 6.219373661965345 2001 4.779779538016996 2002 4.772933699025117 2003 4.643465357188136 2004 5.8460218289759736 2005 4.983551862494346 2006 4.838664987537858 2007 4.213017010427398 2008 1.2416981439627606 2009 1.0484626104169998 2010 0.870703512155383 2011 0.7369625397414539 2012 5.004781012361505 2013 2.191315462117136 2014 4.584291449693801 2015 1.0515295148176926 2016 0.8884345324414882 2017 1.1959457623014398 2018 1.2048622074889364 2019 2.1511051385603395 2020 0.6399152428402278 2021 0.6047210686068569 2022 1.4536123005313737