| North Carolina 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 | 48.6 | 63.0 | 40.4 | 39.3 | 46.0 | 35.9 | 42.3 | 37.8 | 34.6 | 41.8 | 51.3 | 46.2 | 29.0 | 33.2 | 44.6 | 58.5 | 66.0 | 44.7 | 42.1 | 36.2 | 37.2 |
| 180-300 | 48.6 | 35.4 | 59.6 | 60.0 | 53.1 | 61.9 | 57.7 | 55.8 | 58.8 | 58.2 | 48.7 | 53.8 | 71.0 | 62.7 | 55.4 | 37.0 | 30.9 | 48.0 | 39.3 | 45.5 | 59.4 |
| Above 300 | 2.8 | 1.6 | 0.0 | 0.7 | 0.9 | 2.3 | 0.0 | 6.4 | 6.6 | 0.0 | 0.0 | 0.0 | 0.0 | 4.1 | 0.0 | 4.5 | 3.1 | 7.3 | 18.6 | 18.3 | 3.4 |
| 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. |