| Iowa Industrial Organic Chemicals 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 | 76.6 | 48.5 | 77.0 | 76.4 | 89.6 | 95.1 | 86.9 | 87.8 | 84.5 | 89.0 | 95.0 | 88.6 | 91.6 | 86.3 | 93.9 | 91.9 | 91.8 | 78.5 | 84.6 | 94.5 | 72.3 |
| 180-300 | 21.8 | 50.1 | 23.0 | 21.4 | 9.3 | 4.1 | 5.5 | 6.3 | 14.1 | 10.6 | 5.0 | 11.4 | 8.4 | 12.9 | 6.1 | 8.1 | 7.8 | 19.5 | 13.8 | 5.5 | 24.8 |
| Above 300 | 1.6 | 1.4 | 0.0 | 2.2 | 1.1 | 0.8 | 7.6 | 5.9 | 1.3 | 0.4 | 0.0 | 0.0 | 0.0 | 0.7 | 0.0 | 0.0 | 0.4 | 2.0 | 1.6 | 0.0 | 2.8 |
| 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. |