Year	Kg co2 per 2011 PPP of GDP
1992	1.4049
1993	1.40013
1994	1.48813
1995	1.71094
1996	1.75777
1997	1.49949
1998	1.47227
1999	1.49278
2000	1.36025
2001	1.24903
2002	1.1759
2003	1.18868
2004	1.03319
2005	0.97813
2006	0.89125
2007	0.81292
2008	0.76932
2009	0.75512
2010	0.84879
2011	0.75659
2012	0.77956
2013	0.71672
2014	0.64122