Year	Kg co2 per 2011 PPP of GDP
1992	0.24618
1993	0.28994
1994	0.31264
1995	0.42012
1996	0.38204
1997	0.40825
1998	0.37106
1999	0.39444
2000	0.37353
2001	0.39909
2002	0.39141
2003	0.34333
2004	0.32866
2005	0.33622
2006	0.32242
2007	0.31024
2008	0.3329
2009	0.37805
2010	0.39751
2011	0.36828
2012	0.38829
2013	0.36891
2014	0.35611