| Illinois 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 | 71.2 | 73.2 | 79.9 | 80.4 | 90.2 | 91.5 | 93.2 | 93.6 | 93.5 | 91.4 | 96.9 | 95.0 | 93.2 | 93.1 | 90.2 | 81.9 | 91.3 | 84.6 | 88.6 | 89.8 | 83.9 |
| 180-300 | 27.9 | 26.0 | 19.8 | 19.6 | 9.3 | 8.5 | 6.3 | 5.0 | 6.1 | 8.6 | 3.1 | 5.0 | 6.3 | 5.8 | 9.6 | 16.2 | 6.3 | 15.1 | 9.9 | 9.8 | 15.4 |
| Above 300 | 0.9 | 0.8 | 0.3 | 0.0 | 0.6 | 0.0 | 0.4 | 1.4 | 0.4 | 0.0 | 0.0 | 0.0 | 0.4 | 1.1 | 0.2 | 1.9 | 2.4 | 0.3 | 1.5 | 0.4 | 0.7 |
| 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. |