Year	kg per 2010 US$ of GDP
1992	2.08983699412688
1993	1.91831014074319
1994	1.30872176591315
1995	0.482851116192429
1996	0.766796893334594
1997	0.75700206132609
1998	0.820975448056877
1999	0.698980598679314
2000	0.71648178119242
2001	0.568126034282402
2002	0.484148733772379
2003	0.485477970439189
2004	0.525780993067449
2005	0.562380018940408
2006	0.623676097696571
2007	0.578435553724146
2008	0.454465697748101
2009	0.569770906316588
2010	0.542559054740567
2011	0.638838510941357
2012	0.636057116328032
2013	0.572727447517675
2014	0.626093827742949