Year Tons of oil equivalent per milion of constant 2000 US$ Kyoto protocol Targets 20-2020 Targets 20-20-20
1990 0.0002287
1991 0.0002263
1992 0.0002188
1993 0.0002202
1994 0.0002123
1995 0.0002117
1996 0.0002156
1997 0.000207 1
1998 0.0002026
1999 0.0001955
2000 0.0001894
2001 0.0001901
2002 0.0001871
2003 0.0001889
2004 0.0001863
2005 0.0001827
2006 0.0001772
2007 0.0001695
2008 0.0001688 1
2009 0.000167
2010 0.0001688
2011 0.00016