Year % of GNI 1981 25.168841530519742 1982 42.5976602096539 1983 44.950035940509835 1984 52.27866457970295 1985 55.17182382247066 1986 62.587659758316846 1987 70.39485247146767 1988 71.16158459583359 1989 68.93134578928499 1990 71.40027801715031 1991 68.21006195123422 1992 89.7053380888344 1993 111.25497412514275 1994 147.18131838089872 1995 135.77944743672518 1996 118.66560604174244 1997 118.8209577076591 1998 133.65338138133376 1999 72.85649438254697 2000 67.41768137725808 2001 70.24199502496602 2002 84.03573889032589 2003 85.09195905231411 2004 65.24037714826426 2005 49.94442719885276 2006 14.571079275919924 2007 13.145850438552879 2008 10.512984266128983 2009 16.54976774816541 2010 24.43343230107829 2011 26.99699066539018 2012 24.216665761245178 2013 26.47258572604423 2014 30.55573522540755 2015 31.781258233168497 2016 31.594109859337742 2017 32.19598983119922 2018 33.18858023189475 2019 29.769657386616526 2020 28.365554135848818 2021 27.088397067977017 2022 22.66859247308818