Year % of GNI 1990 1.0483677822198185 1991 1.0685897122831165 1992 1.06443965152193 1993 1.1363612469845372 1994 1.1100805398687705 1995 1.0618505432953638 1996 1.1033032524277397 1997 1.1725868710726512 1998 1.2199890046969395 1999 1.2252901333883253 2000 1.2781993354400698 2001 1.3663696578934448 2002 1.3910179031112946 2003 1.3548101619298292 2004 1.3193655146791774 2005 1.3329888143705477 2006 1.334026418403616 2007 1.297207994600283 2008 1.241939657344939 2009 1.3315928659154979 2010 1.3311012304012357 2011 1.290049904505129 2012 1.3289973462186837 2013 1.3754936251405172 2014 1.3931748824247334 2015 1.5165063400691172 2016 1.5448045623157503 2017 1.531831623396231 2018 1.546190727553954 2019 1.5898998363117363 2020 1.6124025019646966 2021 1.5528094807611255