Indiana 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 | 69.9 | 64.4 | 68.8 | 75.0 | 86.0 | 85.7 | 89.7 | 88.1 | 83.7 | 86.3 | 94.7 | 91.9 | 92.9 | 88.9 | 88.5 | 78.0 | 68.3 | 80.6 | 80.7 | 83.9 | |
180-300 | 24.1 | 18.4 | 31.2 | 20.4 | 14.0 | 14.3 | 8.1 | 6.2 | 14.7 | 13.7 | 5.3 | 6.9 | 7.1 | 10.1 | 11.1 | 22.0 | 31.7 | 19.4 | 19.3 | 16.1 | |
Above 300 | 6.1 | 17.1 | 0.0 | 4.6 | 0.0 | 0.0 | 2.2 | 5.8 | 1.5 | 0.0 | 0.0 | 1.2 | 0.0 | 1.0 | 0.3 | 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. |