Year	Kg co2 per 2011 PPP of GDP
1990	0.32856
1991	0.31589
1992	0.30862
1993	0.31714
1994	0.36003
1995	0.36223
1996	0.34835
1997	0.33818
1998	0.37917
1999	0.46593
2000	0.42851
2001	0.45513
2002	0.42784
2003	0.40981
2004	0.41947
2005	0.4263
2006	0.4411
2007	0.41583
2008	0.43257
2009	0.43829
2010	0.42829
2011	0.42892
2012	0.48128
2013	0.48854
2014	0.48942