Year	Kg co2 per 2011 PPP of GDP
1990	0.38674
1991	0.28883
1992	0.33772
1993	0.35597
1994	0.35835
1995	0.35957
1996	0.34653
1997	0.40332
1998	0.41424
1999	0.41219
2000	0.37606
2001	0.38399
2002	0.36743
2003	0.40441
2004	0.3528
2005	0.33135
2006	0.29106
2007	0.24781
2008	0.28707
2009	0.31603
2010	0.28096
2011	0.2839
2012	0.30573
2013	0.2972
2014	0.31058