Year % of GNI 1970 1.4075543461383269 1971 1.4682798306743439 1972 1.5709640439084507 1973 1.8842424080060376 1974 1.2371027647224533 1975 1.3892660037052327 1976 1.58384243351255 1977 1.8846217648846273 1978 1.8309435502825389 1979 2.1099471611241123 1980 2.3428754475090727 1981 2.4464655028989584 1982 2.331400253524489 1983 2.1220600318916363 1984 2.0194100885870085 1985 2.0163294557524387 1986 2.8878984689607643 1987 2.7332876167596294 1988 2.6533768603110035 1989 2.334185752756727 1990 2.1244869075965194 1991 2.3583916413730215 1992 2.1722188416698853 1993 2.0989705282800464 1994 2.435095416236598 1995 2.8984958824831626 1996 2.568929989837652 1997 2.3192251246694293 1998 2.3688113349571065 1999 2.203395121083526 2000 1.8834915651653343 2001 1.56165257635449 2002 1.6185842617114532 2003 1.4646463928768902 2004 1.282779295988742 2005 1.0883532322743374 2006 1.0019854983664322 2007 1.0751135900023296 2008 0.9850176099940283 2009 1.0154107597471922 2010 0.8643671812936571 2011 0.846125002457529 2012 1.0263424058458217 2013 1.173215116468044 2014 1.2317432766530418 2015 1.1276760416754212 2016 1.2036323594427667 2017 1.3906896801378839 2018 1.5610866591889105 2019 1.826436150188913 2020 1.6814011607037587 2021 1.8404169358556117 2022 1.4982523925679192