Year % of GNI 1970 0.033399001954722986 1971 0.0297931109896449 1972 0.030134477776002762 1973 0.03665068767158599 1974 0.03663798784707236 1975 0.03536875589420659 1976 0.03674586207075891 1977 0.032109548842832576 1978 0.030195553270883125 1979 0.03354039809381939 1980 0.034100291001493546 1981 0.028337405103100392 1982 0.029217903376772183 1983 0.0277436522844478 1984 0.024670808836534414 1985 0.026356825006524285 1986 0.02306018126633385 1987 0.01966393214299565 1988 0.024033808238660238 1989 0.02674695980251822 1990 0.02187161916603641 1991 0.01687796720541712 1992 0.015403661838390582 1993 0.01612563765729579 1994 0.016117920759158286 1995 0.01760550931105103 1996 0.018025313254453453 1997 0.01624132456888727 1998 0.013892031524718467 1999 0.013236930780979895 2000 0.017360588902984624 2001 0.00632420670988814 2002 0.00464415310294204 2003 0.004851274902190285 2004 0.0038239868201532462 2005 0.003953553249535509 2006 0.004941795725375301 2007 0.00567338724387157 2008 0.005919036256677571 2009 0.005062798683446399 2010 0.005478356700026972 2011 0.003929844033977364 2012 0.003877371987589464 2013 0.0037613069247219516 2014 0.003815416052969899 2015 0.0037694494885583798 2016 0.0034646349066032893 2017 0.0035474573427624664 2018 0.0038670399999672853 2019 0.00398130401175546 2020 0.010499584879028688 2021 0.010723421678512784