Year	kg per 2010 US$ of GDP
1995	1.66752112294962
1996	1.65811937795875
1997	1.46356879596473
1998	1.26620526028409
1999	1.18698528234201
2000	1.05223937736288
2001	1.03698997101641
2002	0.934763722445228
2003	1.00097460614498
2004	0.95036803293497
2005	0.842369412044819
2006	0.737485852097565
2007	0.791675302642033
2008	0.782570032963017
2009	0.764168814494775
2010	0.929029045891177
2011	0.887211771332798
2012	0.805649358888432
2013	0.892138206641864
2014	0.850788786578595