| Maryland Nonmetallic minerals routes: Revenue by R/VC Category |
| Percentage of Revenue |
| 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Below 180 | 13.6 | 26.5 | 43.9 | 43.6 | 30.0 | 74.9 | 88.3 | 80.1 | 85.3 | 79.4 | 58.2 | 23.6 | 31.8 | 20.4 | 11.5 | 3.3 | 7.8 | 4.6 | 5.6 | 31.4 | 9.4 |
| 180-300 | 81.1 | 68.3 | 38.0 | 43.5 | 62.1 | 25.1 | 4.8 | 19.9 | 14.7 | 20.6 | 28.1 | 76.4 | 68.2 | 74.7 | 88.5 | 94.6 | 80.4 | 95.4 | 70.5 | 29.3 | 76.9 |
| Above 300 | 5.3 | 5.2 | 18.1 | 12.9 | 7.9 | 0.0 | 6.9 | 0.0 | 0.0 | 0.0 | 13.8 | 0.0 | 0.0 | 4.9 | 0.0 | 2.0 | 11.8 | 0.0 | 23.8 | 39.3 | 13.7 |
| 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. |