| Potassium or Sodium Compounds: 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 | 34.3 | 31.9 | 54.6 | 55.8 | 63.7 | 63.4 | 61.5 | 60.2 | 57.1 | 53.7 | 55.0 | 49.2 | 48.1 | 47.6 | 41.0 | 39.6 | 46.9 | 39.9 | 42.2 | 49.7 | 56.5 |
| 180-300 | 55.6 | 55.0 | 40.5 | 38.5 | 30.5 | 31.4 | 33.1 | 34.7 | 36.2 | 40.7 | 39.6 | 42.8 | 45.0 | 45.5 | 50.8 | 52.4 | 46.6 | 48.7 | 47.4 | 44.4 | 37.0 |
| Above 300 | 10.1 | 13.0 | 4.9 | 5.7 | 5.8 | 5.3 | 5.4 | 5.1 | 6.7 | 5.6 | 5.4 | 8.0 | 7.0 | 7.0 | 8.2 | 8.0 | 6.5 | 11.5 | 10.4 | 5.9 | 6.5 |
| 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. |