Salient Pumice And Pumicite Statistics

-TABLE 1
SALIENT PUMICE AND PUMICITE STATISTICS¹

(Thousand metric tons and thousand dollars unless otherwise specified)

		2007		2008		2009		2010		2011
United States:
Sold and used by producers:
Quantity		1,270		791		410		390		489
Value^2-		28,900		15,900		12,300		7,810		11,200
Average value	dollars per metric ton	22.85		20.13		29.97		20.00		22.89
Exports³		9		15		11		13		14
Imports for consumption^3-		35	^r	65		26		34	^r	23
Apparent consumption⁴		1,290		841		425		411	^r	498
World, production, pumice and related-
volcanic materials^e		20,500	^r	18,300	^r	17,700	^r	16,900	^r	17,400
^eEstimated. ^rRevised.-
¹Data are rounded to no more than three significant digits, except average value.
²Free on board mine and (or) mill.
³Source: U.S. Census Bureau.
⁴Production plus imports minus exports plus adjustments for Government and industry stock changes.