Year % of GNI 1970 1.7168034187783887 1971 1.4893250042407495 1972 1.4463191464722218 1973 2.841201054988875 1974 2.5446776252988745 1975 3.302413362106375 1976 2.7782644221204285 1977 2.850888337511988 1978 2.539565837155312 1979 2.1836176421755256 1980 1.8929290174149669 1981 1.7810392800165862 1982 1.5924779306907424 1983 1.4493217768641071 1984 1.3479873059139285 1985 1.5316923371876716 1986 1.5493483941787722 1987 1.5444768596791967 1988 1.2096760453885353 1989 1.0960279691935975 1990 1.9686372129066994 1991 2.4658927986115446 1992 1.7614599158580677 1993 1.5319989521873103 1994 1.5435132218985186 1995 1.135275273449353 1996 1.1081600567373002 1997 0.9532584004098353 1998 1.0711849340154078 1999 0.8347628244726766 2000 0.6647547894297042 2001 0.7357498682576177 2002 0.7167540737329812 2003 1.1090169105885626 2004 1.191668959575214 2005 2.438654223015487 2006 1.2145193240062695 2007 1.1268212574578145 2008 1.068728051915507 2009 0.7833956327979841 2010 0.5748008980799766 2011 0.5372975106300539 2012 0.5425444984399576 2013 0.7875793511462682 2014 0.7656392430822597 2015 0.8104535336592481 2016 1.103588610781847 2017 1.1592754539331234 2018 1.184025393320735 2019 1.0381695102616373 2020 1.275612612730618 2021 1.3505543557281847