Bituminous Coal: Tonnage by R/VC Category |
Percentage of Tonnage |
1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Below 180 | 42.6 | 42.5 | 40.2 | 39.1 | 46.5 | 45.3 | 48.7 | 46.2 | 47.1 | 52.2 | 48.1 | 52.7 | 52.2 | 54.2 | 54.9 | 56.0 | 55.7 | 55.7 | 59.8 | 61.9 | 62.9 |
180-300 | 53.3 | 53.1 | 51.8 | 53.6 | 46.7 | 45.3 | 42.8 | 44.9 | 43.4 | 39.5 | 44.5 | 39.4 | 39.3 | 39.0 | 38.2 | 37.0 | 37.0 | 33.7 | 29.3 | 28.1 | 26.2 |
Above 300 | 4.1 | 4.3 | 8.0 | 7.4 | 6.8 | 9.4 | 8.6 | 8.9 | 9.5 | 8.3 | 7.5 | 7.9 | 8.5 | 6.8 | 7.0 | 6.9 | 7.3 | 10.7 | 10.9 | 10.1 | 10.9 |
Includes only data that met statistical confidence and confidentialty reporting requirements. |
For more information, see the Scope and Methodology for this product. |
Amounts shown as 0.0 represent instances where reported amounts were greater than 0 but less than 0.05 |
Information on this page was updated on February 1, 2008. |