Year % of GNI 1980 2.817856965426736 1981 2.4582394556699296 1982 2.949403590901057 1983 2.9834449044185685 1984 2.961846884608867 1985 3.161840637987839 1986 3.3689454469699927 1987 3.566257933577093 1989 3.4504988395969134 1991 3.3074973979784996 1992 2.9401635876179824 1993 2.5591155037164244 1994 2.480607645353832 1995 2.8025625933159515 1996 2.989058017880563 1997 2.91948242721208 1998 2.7673518241175254 1999 2.9946168956339303 2000 2.9292629510457977 2001 2.841171473736204 2002 2.800252295277862 2003 2.845114694593676 2004 2.208468607977505 2005 2.093910318075621 2006 2.141150286843713 2007 1.3267181035187012 2008 1.2729678495653378 2009 1.0547725056758022 2010 0.9597274801585821 2011 0.8293040573376439 2012 0.7655746358210078 2013 0.8139027526801592 2014 0.9492207785787734 2015 1.1985923351588743 2016 1.1990839107539772 2017 1.0718942740875035 2018 1.2154809657680339 2019 1.1986584855800926 2020 1.3106284701900313 2021 1.0996403551477816 2022 1.0598981313679978