Year	Kg co2 per 2011 PPP of GDP
2000	0.54133
2001	0.62104
2002	0.57254
2003	0.56032
2004	0.4861
2005	0.53659
2006	0.52978
2007	0.44762
2008	0.38983
2009	0.37171
2010	0.32557
2011	0.31856
2012	0.35608
2013	0.30806
2014	0.37583