Year % of GNI 1970 3.462576771119085 1971 3.368182914013399 1972 3.456500279590285 1973 3.5163968046354346 1974 3.1388891687836886 1975 2.9875081054307837 1976 3.5606662913817795 1977 4.371389391820167 1978 5.784747511120719 1979 7.341545754156583 1980 6.138849849841881 1981 6.001096846021512 1982 8.49531506415575 1983 7.699306246681816 1984 7.625116275541398 1985 7.611002317405111 1986 8.30912269994758 1987 7.357283126691592 1988 7.347914743844216 1989 5.135259133429222 1990 4.1916243544313785 1991 3.9349864513716155 1992 4.284368315506829 1993 4.135396229709312 1994 3.6258926897903945 1995 4.299468776199395 1996 5.281723318217525 1997 5.751078658681916 1998 5.861275212354689 1999 8.249798366869397 2000 8.120167722615028 2001 7.0247558734217 2002 6.914842489656698 2003 7.459576196313894 2004 6.713843285931959 2005 5.828967113312323 2006 5.768037937915961 2007 4.131681108941958 2008 3.5419859433892364 2009 3.541358550399457 2010 2.8994258948106073 2011 3.1003583450768017 2012 3.5769627642270216 2013 3.5800190349353067 2014 3.4157453106965305 2015 4.662323220912405 2016 6.338827514407219 2017 5.521911718751912 2018 5.604308889169858 2019 7.093576756006678 2020 7.731909752947956 2021 7.58778578959567 2022 5.515167850018816