Year % of GNI 1993 27.561728164584 1994 29.8641064738936 1995 16.1008786642135 1996 16.9209621739822 1997 12.0820917505254 1998 3.90743707214714 1999 13.4187336892543 2000 27.8653089858114 2001 20.8121432560706 2002 9.47260100538972 2003 9.70315853361007 2004 11.2425470760042 2005 21.0524476245973 2006 27.4966266409743 2007 30.1213353181194 2008 32.0136097647373 2009 22.1130234448464 2010 20.6300390038453 2011 23.5294308400429 2012 20.1043914664847 2013 19.4088954955607 2014 14.9648844609039 2015 9.25342184378796 2016 9.82405177022655 2017 12.4047793985182 2018 17.4994748635612 2019 14.5273087635285 2020 7.39145535375744 2021 15.9094194579174