Year % of GNI 1984 0.3217732286795168 1985 0.1971055732708246 1986 0.3050439433336688 1987 0.6517435293772139 1988 1.1471993018938822 1989 2.189110495031065 1990 0.9730688772028642 1991 0.8107683801868023 1992 0.8341181923835641 1993 2.127227284444364 1994 1.2807087277609 1995 1.3339346120879894 1996 1.3527570373951228 1997 1.3021220918342518 1998 1.9394721691735044 1999 1.9991830284698557 2000 1.9406136014797435 2001 2.016191244260991 2002 2.102850009082861 2003 2.1688615456193974 2004 2.029109330661456 2005 2.052998430382655 2006 1.5651616424182442 2007 1.4051060228444556 2008 1.4290867959624618 2009 1.5786174293622481 2010 1.2978175810454236 2011 1.9493180183307053 2012 1.6466527209618986 2013 1.599713848780536 2014 1.752424814006203 2015 1.8065355142606356 2016 2.4578363313424596 2017 2.9337120234684386 2018 3.684668604623574 2019 4.368613717010064 2020 3.5835121649810793 2021 3.7446075675571504 2022 2.9440619273378834