Year % of GNI 1993 -1.4889043005146523 1994 4.580940868322598 1995 5.717694747432412 1996 4.791077328991968 1997 8.63955634784054 1998 7.362287498945632 1999 13.386486123109195 2000 14.781581512786012 2001 16.92485790598908 2002 17.276240389634125 2003 16.879675500704522 2004 14.99777068485239 2005 16.073254976536678 2006 20.773350588028336 2007 19.96709452433401 2008 17.430471702117156 2009 19.655487718424414 2010 19.211479796618313 2011 17.611448829674046 2012 20.195858246485066 2013 21.074270044612167 2014 22.282557019043807 2015 22.588725494893335 2016 22.40164082718715 2017 25.539616507088706 2018 28.172535925510278 2019 33.528385198871405 2020 34.15268610846157 2021 35.56036067478146 2022 37.937104068239655 2023 58.8637847377511