Year % of GNI 1970 7.85404626308147 1971 7.92550563617918 1972 8.09667867344294 1973 7.60587482671381 1974 8.21460895107518 1975 8.43100254079155 1976 8.79040216424633 1977 8.24115839293841 1978 9.01388682455882 1979 9.17134758672936 1980 9.57862042971904 1981 10.3079067603413 1982 11.0734850323295 1983 10.0907208638354 1984 9.97145649466147 1985 10.1422483333275 1986 9.93999426202669 1987 10.5066634851555 1988 10.4684821751094 1989 10.4166957199846 1990 10.9990633404945 1991 11.3841283507272 1992 11.1442340569503 1993 10.432665711855 1994 10.1921476278307 1995 10.3633309505355 1996 9.8410201693917 1997 11.2394576059102 1998 11.181162676096 1999 11.6969688972514 2000 11.4434199155823 2001 10.6600369149701 2002 8.72370603555282 2003 9.66481890210194 2004 8.57183007615445 2005 8.60466956494542 2006 9.13422984593084 2007 8.4637866754398 2008 7.59725927026898 2009 7.39201613420282 2010 7.45771053957543 2011 11.2060695608382 2012 11.1252384671657 2013 10.2754974620542 2014 12.2741187497007 2015 12.6686086540365 2016 12.0895650449093 2017 12.3641719544791 2018 12.4006188191582 2019 12.7924642730513 2020 12.3839835826942 2021 12.1821398048628