Commodity2005200620072008200920102011
Hydrogen fluoride (hydrofluoric acid)$593,000$584,000$977,000$1,260,000$1,394,000$1,377,000$1,430,000
Inorganic acids other than hydrogen fluoride$800,000$1,255,000$3,248,000$2,566,000$2,004,000$3,688,000$2,660,000
Carbon dioxide$1,265,000$1,471,000$1,496,000$1,847,000$2,736,000$3,175,000$2,048,000
Silicon dioxide$3,480,000$4,966,000$6,958,000$7,024,000$5,289,000$7,713,000$8,271,000
Sulphur dioxide$110,000$116,000     
Inorganic oxygen comps. of non-metals other than inorganic acids/carbon dio ...$2,076,000$2,283,000$3,105,000$3,687,000$2,084,000$2,999,000$2,917,000
Total$8,324,000$10,675,000$15,784,000$16,384,000$13,507,000$18,952,000$17,326,000