|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | $4,650 | $6,974 | $14,615 | $24,708 | $22,946 | $24,066 | $70,365 |
| Natural barium carbonate (witherite), whether or not calcined, other than b ... | | $126 | | | $2,792 | | |
| Total | $4,650 | $7,100 | $14,615 | $24,708 | $25,738 | $24,066 | $70,365 |
|
|
