U.S. share of three fossil fuels and of non-fossil fuel electricity generation
percent, 1990–2018
| Data Item | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Coal | 31.10 | 31.90 | 31.10 | 30.60 | 30.50 | 32.00 | 32.30 | 30.80 | 30.00 | 30.80 | 29.60 | 28.60 | 29.50 | 29.40 | 29.20 | 28.60 | 29.40 | 28.40 | 29.30 | 31.30 | 30.40 | 32.30 | 31.80 | 32.90 | 33.30 | 33.70 | 35.50 | 37.80 | 37.30 |