| Iowa Grains 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 | 65.0 | 55.7 | 55.6 | 52.6 | 51.1 | 44.3 | 43.6 | 51.0 | 50.0 | 40.6 | 57.2 | 55.0 | 61.1 | 60.8 | 52.5 | 53.3 | 57.7 | 53.5 | 53.5 | 65.7 | 65.9 |
| 180-300 | 33.2 | 38.5 | 37.1 | 34.3 | 41.5 | 54.8 | 53.0 | 45.0 | 25.9 | 18.1 | 40.0 | 37.9 | 33.5 | 37.2 | 27.8 | 32.2 | 30.8 | 28.6 | 32.4 | 25.1 | 24.4 |
| Above 300 | 1.8 | 5.8 | 7.3 | 13.1 | 7.4 | 0.8 | 3.4 | 4.0 | 24.1 | 41.3 | 2.7 | 7.1 | 5.5 | 2.0 | 19.8 | 14.5 | 11.6 | 17.9 | 14.1 | 9.2 | 9.8 |
| 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. |