Year	Kg co2 per 2011 PPP of GDP
1992	2.00886
1993	2.13754
1994	2.10797
1995	2.02475
1996	2.04356
1997	1.962
1998	2.09005
1999	2.06932
2000	1.97402
2001	1.91971
2002	1.91907
2003	1.82441
2004	1.68161
2005	1.45996
2006	1.39591
2007	1.26899
2008	1.20005
2009	0.95988
2010	0.86021
2011	0.86685
2012	0.81617
2013	0.6744
2014	0.6369