| Maryland Bituminous Coal routes: 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 | 3.1 | 2.1 | 21.8 | 35.4 | 36.9 | 20.0 | 26.2 | 21.0 | 19.1 | 21.5 | 15.2 | 10.4 | 8.3 | 11.2 | 7.0 | 10.9 | 5.2 | 0.0 | 2.5 | 0.0 | 7.2 |
| 180-300 | 86.8 | 85.1 | 43.0 | 22.8 | 38.4 | 50.6 | 60.8 | 45.6 | 42.4 | 48.1 | 38.5 | 22.5 | 49.5 | 34.6 | 56.7 | 52.5 | 61.1 | 32.7 | 67.2 | 46.2 | 43.3 |
| Above 300 | 10.0 | 12.8 | 35.3 | 41.8 | 24.7 | 29.4 | 13.0 | 33.4 | 38.5 | 30.4 | 46.3 | 67.1 | 42.1 | 54.3 | 36.3 | 36.6 | 33.8 | 67.3 | 30.4 | 53.8 | 49.5 |
| 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. |