Year	Kg co2 per 2011 PPP of GDP
1992	1.14988
1993	1.09286
1994	1.04884
1995	1.09352
1996	1.05308
1997	0.93575
1998	0.84213
1999	0.78658
2000	0.71266
2001	0.66751
2002	0.63117
2003	0.6023
2004	0.58715
2005	0.546
2006	0.52073
2007	0.46754
2008	0.44236
2009	0.42829
2010	0.40915
2011	0.39393
2012	0.38215
2013	0.38155
2014	0.37349