| Tennessee 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 | 81.7 | 86.8 | 82.2 | 80.7 | 88.9 | 83.1 | 89.5 | 83.4 | 80.1 | 80.5 | 84.6 | 78.4 | 79.1 | 75.4 | 68.7 | 66.3 | 70.6 | 60.8 | 64.1 | 70.3 | 69.1 |
| 180-300 | 17.9 | 12.8 | 17.8 | 18.6 | 11.1 | 16.8 | 10.5 | 16.0 | 18.8 | 19.5 | 15.4 | 20.6 | 20.0 | 23.3 | 27.9 | 31.9 | 28.6 | 37.9 | 31.3 | 29.3 | 25.5 |
| Above 300 | 0.4 | 0.4 | 0.0 | 0.7 | 0.0 | 0.2 | 0.0 | 0.6 | 1.2 | 0.0 | 0.0 | 0.9 | 0.9 | 1.4 | 3.4 | 1.8 | 0.9 | 1.3 | 4.6 | 0.4 | 5.4 |
| 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. |