Product20012002200320042005
Fertilizers, crude, other than those of division 56$13,010,000$8,637,000$6,851,000$7,018,000 
Stone, sand and gravel$17,404,000$17,559,000$12,594,000$23,338,000 
Sulphur and unroasted iron pyrites$3,118,000$2,393,000$1,510,000$3,675,000 
Natural abrasives, n.e.s. (including industrial diamonds)$601,000$996,000$732,000$537,000 
Other crude minerals$20,883,000$18,811,000$21,983,000$29,705,000