Year	Kg co2 per 2011 PPP of GDP
1992	0.9265
1993	0.84227
1994	0.76122
1995	0.5854
1996	0.68744
1997	0.61616
1998	0.64043
1999	0.48469
2000	0.45613
2001	0.36387
2002	0.46332
2003	0.47483
2004	0.47925
2005	0.45702
2006	0.43658
2007	0.48416
2008	0.51605
2009	0.44467
2010	0.42
2011	0.4754
2012	0.62963
2013	0.55144
2014	0.51747