Year	kg per 2010 US$ of GDP
1992	1.08508452971196
1993	1.03346510435269
1994	0.917245104185722
1995	0.902926545177264
1996	0.829648645371572
1997	0.777190091870425
1998	0.73686684592843
1999	0.715772760823737
2000	0.646743161912197
2001	0.686559548872132
2002	0.655076741176665
2003	0.625236122110217
2004	0.582802626315757
2005	0.554522444989429
2006	0.508015561940127
2007	0.431240668081191
2008	0.418595421556285
2009	0.399471991162331
2010	0.40492235584107
2011	0.375171196097176
2012	0.35024004180137
2013	0.348533323122073
2014	0.314470444232277