Sub-Chapter20052006200720102011
Salt (including table salt)$299$598$389 $64
Natural sands of all kinds$4  $356$28
Quartz (other than natural sands); quartzite $4,345   
Pebbles, gravel, broken or crushed stone    $36,294
Portland cement, aluminous cement, slag cement$1 $397  
Mineral substances $52,590  $70
Total$304$57,533$786$356$36,456