Year	Kg co2 per 2011 PPP of GDP
1992	1.45728
1993	1.33286
1994	1.40141
1995	1.29134
1996	1.07505
1997	0.96689
1998	0.96934
1999	0.86358
2000	0.79735
2001	0.78431
2002	0.72452
2003	0.70487
2004	0.78262
2005	0.73104
2006	0.71737
2007	0.76037
2008	0.7707
2009	0.69788
2010	0.75774
2011	0.73536
2012	0.65811
2013	0.67164
2014	0.60894