| Montana 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 | 44.5 | 25.8 | 31.9 | 29.7 | 32.8 | 36.9 | 43.8 | 39.9 | 52.1 | 47.9 | 33.9 | 72.7 | 65.7 | 41.1 | 38.9 | 33.8 | 72.0 | 73.7 | 86.7 | 86.4 | 90.0 |
| 180-300 | 55.4 | 74.2 | 67.8 | 70.3 | 67.2 | 63.0 | 56.2 | 60.1 | 47.9 | 52.1 | 65.9 | 27.3 | 34.3 | 58.9 | 61.1 | 65.5 | 28.0 | 26.2 | 13.0 | 13.5 | 10.0 |
| Above 300 | 0.1 | 0.0 | 0.3 | 0.0 | 0.0 | 0.1 | 0.1 | 0.0 | 0.0 | 0.0 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.7 | 0.0 | 0.1 | 0.3 | 0.1 | 0.0 |
| 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. |