Year % of GNI 1970 1.282863025786447 1971 1.3548604510390434 1972 1.4663949123360296 1973 1.8695642338869218 1974 1.0118757472194153 1975 1.0638144069762696 1976 1.1573122721110862 1977 1.4950770789756227 1978 1.3289296064524094 1979 1.4506686480209918 1980 1.5780093054947593 1981 1.6645138606918473 1982 1.4341995959318898 1983 1.2993228055218229 1984 1.3802041242593757 1985 1.4396596226245806 1986 2.234292649110353 1987 2.182083591908522 1988 2.1423331820339526 1989 1.9420035152213746 1990 1.5670602974424104 1991 1.6028908863321074 1992 1.5163163002056645 1993 1.512093540934227 1994 1.7658068289064548 1995 2.352524777219159 1996 2.3117707577098656 1997 2.0704942604053165 1998 2.3633822461637246 1999 2.1293547604914194 2000 2.023427358040874 2001 2.250561136737854 2002 1.7952170524587288 2003 1.7115207223046947 2004 1.672131598409671 2005 1.6618255761359728 2006 1.8650397374938803 2007 1.7555155528033959 2008 0.8937639562311485 2009 1.2348648154934938 2010 0.9307506597018658 2011 0.9811233144865785 2012 1.261544137356051 2013 1.5191178087986292 2014 1.5361732886808004 2015 1.5286138891434842 2016 1.8624866523488715 2017 1.6788467197069583 2018 1.8543658123533713 2019 2.0881623859172893 2020 1.698460673135464 2021 2.086777762868977 2022 1.7723131144076798