Year	kg per 2011 PPP $ of GDP
1995	1.07340102873708
1996	1.06734902579317
1997	0.942114753207533
1998	0.815069752506099
1999	0.764075012679871
2000	0.677337644839596
2001	0.667521440274235
2002	0.601717320092455
2003	0.64433796801036
2004	0.611761980218135
2005	0.542242122766125
2006	0.47472746307423
2007	0.509609786998403
2008	0.503748628356469
2009	0.491903568907454
2010	0.59802584798582
2011	0.57110762493474
2012	0.518605035180916
2013	0.57427882358163
2014	0.547661763430041