Year % of GNI 1995 0.664769064817644 1996 0.711789712681536 1997 0.797713613650385 1998 1.04968977768459 1999 0.991023655316633 2000 1.0294787099963 2001 1.08583601918744 2002 1.08722655109521 2003 1.11596573438917 2004 1.02480815505717 2005 1.03048804361178 2006 1.04357910619772 2007 1.13373596807678 2008 1.09771323369379 2009 1.31826631513215 2010 1.35472176046398 2011 1.30019530351318 2012 1.31710770093016 2013 1.28826601314029 2014 1.48377036121289 2015 1.7188873359968 2016 2.09587146647814 2017 2.25708042372495 2018 2.45730631005513 2019 2.58487191874473 2020 2.87155248989672 2021 3.3049290630666