Year % of GNI 1991 2.204766765828404 1992 3.10643584517959 1993 4.44683694698392 1994 4.363183356829489 1995 5.497854158402464 1996 3.5728758683764634 1997 2.2912216798582583 1998 1.9316195310676378 1999 1.8492907687682834 2000 1.937403732635855 2001 4.395144890846537 2002 5.025623745439951 2003 5.034500853043935 2004 4.583228034400686 2005 4.745300015832942 2006 6.938431655841469 2007 11.614211736596827 2008 5.100041714916389 2009 4.516128864303086 2010 1.7197034909492024 2011 3.5147756119557125 2012 1.8867864736919635 2013 3.1951634362881345 2014 3.7260725385458464 2015 6.418427325179556 2016 9.461586998422057 2017 10.851010285137017 2018 13.603796809101325 2019 12.617225255238635 2020 8.988552165598998 2021 44.90770557710563 2022 35.56480136727531