Virginia Nonmetallic minerals 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 | 78.5 | 88.1 | 87.2 | 79.3 | 89.2 | 89.6 | 91.5 | 77.7 | 65.5 | 70.4 | 43.0 | 56.4 | 65.9 | 62.6 | 72.9 | 89.7 | 96.9 | 82.1 | 93.5 | 91.2 | 93.0 |
180-300 | 21.5 | 11.9 | 11.5 | 20.2 | 10.8 | 10.4 | 7.7 | 20.8 | 34.5 | 26.9 | 57.0 | 43.6 | 32.9 | 37.4 | 27.1 | 10.3 | 3.1 | 13.9 | 5.9 | 8.8 | 7.0 |
Above 300 | 0.0 | 0.0 | 1.3 | 0.5 | 0.0 | 0.0 | 0.8 | 1.6 | 0.0 | 2.8 | 0.0 | 0.0 | 1.2 | 0.0 | 0.0 | 0.0 | 0.0 | 4.0 | 0.6 | 0.0 | 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. |