Year	kg per 2010 US$ of GDP
1965	0.0174730770946666
1966	0.0189813533401363
1967	0.0528150903018945
1968	0.0345307027462621
1969	0.0399681769504706
1970	0.0350920963239014
1971	0.310300103517131
1972	0.282045106761041
1973	0.33238582233604
1974	0.329677434067026
1975	0.823110717888051
1976	0.783606386298095
1977	0.792531269400732
1978	0.754112643000935
1979	0.716003049171293
1980	0.528720440742701
1981	0.449524584768883
1982	0.384003175769505
1983	0.432266621607999
1984	0.396337303409351
1985	0.373581091651341
1986	0.417572586275897
1987	0.414466945369655
1988	0.437512255029596
1989	0.372230185855694
1990	0.421597130588232
1991	0.410895898899836
1992	0.388924647671185
1993	0.408626091318181
1994	0.447402287067536
1995	0.442546298227404
1996	0.408066099837094
1997	0.394563274550773
1998	0.411076807693765
1999	0.5146704072676
2000	0.516311994290375
2001	0.457829686382926
2002	0.581249707938656
2003	0.759424978170066
2004	0.64779766714425
2005	0.675121212092734
2006	0.848820448502483
2007	0.896608652453505
2008	0.809884667274969
2009	0.734593198639975
2010	0.808595536477737
2011	0.931669779397256
2012	0.933053401677673
2013	0.927488134682649
2014	0.899581861981258