Year % of GNI 1993 7.076259368975549 1994 4.536751128521069 1995 8.003516529776642 1996 1.8555897159910966 1997 14.474835034311784 1998 -8.351127158254837 1999 2.9243283720528557 2000 15.59990031730229 2001 17.86225555699608 2002 17.523879465061434 2003 10.391180755238551 2004 16.151923318572333 2005 15.245945587454953 2006 11.118443220255644 2007 21.147948820557165 2008 15.24908393077755 2009 26.169119879030067 2010 21.288082281578944 2011 19.476188062925093 2012 13.076003950442757 2013 9.674802427217267 2014 12.024036159523455 2015 12.667740332483493 2016 23.699639956193604 2017 28.021466763686995 2018 27.411255484443178 2019 24.954267926648676 2020 30.195941919531172 2021 19.695926353470924 2022 7.334764341450735