Year	kg per 2010 US$ of GDP
2000	0.963540937080889
2001	1.10540605613919
2002	1.01909218150466
2003	0.997339609556887
2004	0.865227620569735
2005	0.955095923395781
2006	0.942968760126307
2007	0.796729971575635
2008	0.693881005105021
2009	0.661625869269633
2010	0.579493721922021
2011	0.567016676203973
2012	0.633806069912675
2013	0.548336249128349
2014	0.66896059824823