Year	Kg co2 per 2011 PPP of GDP
2000	1.04948
2001	1.00861
2002	0.96544
2003	1.0047
2004	0.95017
2005	0.92157
2006	0.96017
2007	0.94227
2008	0.97849
2009	1.00383
2010	1.0434
2011	0.98119
2012	0.94378
2013	0.97219
2014	0.96018