Year	Kg co2 per 2011 PPP of GDP
1990	0.8928
1991	1.1903
1992	1.1887
1993	1.03437
1994	0.86676
1995	0.81217
1996	0.80655
1997	0.74409
1998	0.72004
1999	0.68463
2000	0.6726
2001	0.68619
2002	0.6887
2003	0.62397
2004	0.60033
2005	0.56045
2006	0.56647
2007	0.65981
2008	0.6046
2009	0.66646
2010	0.66095
2011	0.87659
2012	0.95203
2013	1.25997
2014	0.62803