| California 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 | 60.3 | 62.7 | 72.2 | 72.9 | 81.9 | 84.9 | 83.2 | 88.2 | 90.8 | 89.3 | 94.7 | 95.2 | 98.7 | 97.4 | 96.1 | 89.7 | 80.0 | 85.5 | 98.3 | 93.4 | 96.0 |
| 180-300 | 33.8 | 21.2 | 27.8 | 22.5 | 12.8 | 15.1 | 16.8 | 11.8 | 9.2 | 10.0 | 5.3 | 3.5 | 1.3 | 2.6 | 3.9 | 7.8 | 20.0 | 14.5 | 1.7 | 6.6 | 4.0 |
| Above 300 | 5.9 | 16.1 | 0.0 | 4.5 | 5.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.7 | 0.0 | 1.2 | 0.0 | 0.0 | 0.0 | 2.5 | 0.0 | 0.0 | 0.0 | 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. |