Year kg per 2010 US$ of GDP 1960 1.23856930680921 1961 1.24482972883534 1962 1.21315704161499 1963 1.17321026485147 1964 1.18420768564674 1965 1.19611106874805 1966 1.14613135021455 1967 1.11524924676085 1968 1.10435514120173 1969 1.09430652168866 1970 1.08678081680675 1971 1.17304296219269 1972 1.17556133029334 1973 1.13599912610177 1974 1.09032531142395 1975 1.12351263093612 1976 1.14574051377473 1977 1.1874104609845 1978 1.16505050685774 1979 1.21586564649921 1980 1.19009071385414 1981 1.27249921312925 1982 1.39344252601456 1983 1.47771470731643 1984 1.52013619949391 1985 1.57903365794709 1986 1.61108995647572 1987 1.56921458994457 1988 1.57017780871349 1989 1.52475100332077 1990 1.40493555582554 1991 1.47876248817801 1992 1.39660467237366 1993 1.46812653356065 1994 1.50288879200966 1995 1.55694266007528 1996 1.5015787932127 1997 1.55080289168592 1998 1.50949969121489 1999 1.46440375854576 2000 1.41821917689881 2001 1.35678243116361 2002 1.25419261985047 2003 1.38162146236487 2004 1.47083537212225 2005 1.293856868203 2006 1.31623725835867 2007 1.30138216396468 2008 1.34275181561938 2009 1.3811322424644 2010 1.26309104005891 2011 1.2138568995242 2012 1.18300018932489 2013 1.14841679037525 2014 1.18415510549527