Year % of GNI 1990 -1.8571377628115 1991 -0.471063211919104 1992 3.12445611696623 1993 7.31007233416901 1994 8.91642440288061 1995 10.5444019254536 1996 17.7410670128624 1997 15.719429405873 1998 19.2768775982523 1999 24.9007910852674 2000 23.9150806839811 2001 24.4376729344507 2002 31.2434881577093 2003 31.2372583751497 2004 34.3218929560293 2005 8.4745065421532 2006 0.837181906178139 2007 7.97324328625265 2008 4.56463293353471 2009 8.98758776848462 2010 8.91247297286714 2011 6.84858568224541 2012 6.96454474753237 2013 9.92304561906323 2014 13.1399389768843 2015 13.5121356512207 2016 10.9088826860755 2017 8.90768047750726 2018 8.81612380289382 2019 5.97788109429913 2020 5.18250749988568