Year % of GNI 1970 0.5194306604827723 1971 0.4814873848070162 1972 0.5112566266726178 1973 0.5268209745699804 1974 0.44366471854404316 1975 0.6431348645945307 1976 0.6140560414565007 1977 1.0764721728886901 1978 0.8793747777242384 1979 1.131998750437034 1980 1.0893994228410333 1981 0.9629811415271958 1982 0.6957607415882365 1983 0.4585961266124795 1984 0.601884273143955 1985 0.2931468315898095 1986 1.9266652107832367 1987 4.998960313196479 1988 3.495807041782437 1989 3.084538545217433 1990 4.005630586937716 1991 2.906554213262255 1992 1.7561668127273975 1993 1.702364709072253 1994 1.9320374475902533 1995 3.0703742172369126 1996 1.8795627694514074 1997 2.55787547974279 1998 2.7502717119063926 1999 2.3851302210685104 2000 3.433766885111716 2001 2.332005667850919 2002 2.097673364889571 2003 1.9622595990393 2004 3.0692111192122105 2005 3.507377283178892 2006 3.4010848046380917 2007 2.19433981266424 2008 1.5406162481701202 2009 1.6192054691657514 2010 1.01831688356751 2011 2.579626760270189 2012 1.1472303992504536 2013 0.47489197912372394 2014 0.6025810704999374 2015 0.5254749157638673 2016 0.6665979006507019 2017 0.7727703693180918 2018 0.9664872838524132 2019 0.7913694975062906 2020 0.6167468968173723 2021 0.8189723506469438 2022 1.0351211763132395