Year	Kg co2 per 2011 PPP of GDP
1999	0.39403
2000	0.40129
2001	0.41704
2002	0.41873
2003	0.38085
2004	0.37342
2005	0.34539
2006	0.33154
2007	0.29236
2008	0.31927
2009	0.33311
2010	0.33897
2011	0.57272
2012	0.34059
2013	0.421
2014	0.56113