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| Commodity | 2005 | 2007 | 2010 | 2011 |
| Slag wool, rock wool & sim. min. wools (incl. intermixts. thereof ), in bul ... | $1,248 | $1,168 | $10,202 | $24,092 |
| Exfoliated vermiculite, expanded clays, foamed slag & sim. expanded min. ma ... | | $4,633 | $6,741 | $13,906 |
| Total | $1,248 | $5,801 | $16,943 | $37,998 |
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