Year % of GNI 1992 0.0768575370925226 1993 0.0340067509443184 1994 0.0276134474572188 1995 0.14337587757792 1996 0.0893575233726135 1997 0.065990127491166 1998 0.0280079264799522 1999 0.121584831306322 2000 0.141221439108411 2001 0.0954121432148416 2002 0.195767817888893 2003 0.146644917105155 2004 0.209091630329352 2005 0.177099264209649 2006 0.363039293564189 2007 0.345513917401612 2008 0.272848929393819 2009 0.310068722770256 2010 0.754092271105857 2011 1.19384392355892 2012 0.632318984201899 2013 0.441711374864372 2014 0.244797057279075 2015 0.2948464636054 2016 0.383664535404738 2017 0.284506772339953 2018 0.277240007337162 2019 0.41088802529735 2020 0.636224782234268 2021 1.0566588906447