Year % of GNI 1998 1.05210030694369 1999 1.06157789998639 2000 1.17258311623297 2001 1.14071874270262 2002 1.07267042367215 2003 0.944789910228247 2004 0.862500877975055 2005 0.894557120603647 2006 0.940928698238665 2007 0.703525778054956 2008 0.749859356598892 2009 0.861440408425065 2010 0.840585584202188 2011 0.778771324091401 2012 0.861096443147277 2013 0.883779158506947 2014 0.775568389367485 2015 0.97523383407146 2016 0.920031401255186 2017 1.02415211691636 2018 1.03909592244079 2019 1.05273989103626 2020 1.00953723334603 2021 1.01318236503843