Sub-Chapter200620072008
Salt (including table salt)$35,827$42,087$43,422
Unroasted iron pyrites.$26$44 
Chalk.$2,833$3,839$1,487
Natural calcium phosphates$10 $77
Slate$12,009 $8,319
Natural magnesium carbonate (magnesite)$272$817$27
Gypsum; anhydrite; plasters$12,762$45,775$122,836
Limestone flux; limestone $1,089$4,751
Quicklime, slaked lime and hydraulic lime$3,255$6,927$25,384
Portland cement, aluminous cement, slag cement$1,842$5,514$2,117
Total$68,836$106,092$208,420