Commodity200520062007200820092010
Hydrogen    $3,100$1,941
Argon$31,614$39,495$317,353$55,137$56,621$48,589
Rare gases other than argon$2,300$4,932$1,177  $13,008
Nitrogen $728$4,027 $14,824$22,930
Oxygen$27,130$18,675$62,197$132,936$95,860$84,877
Silicon, cont. by wt. not <99.99% of silicon$519     
Silicon, cont. by wt. <99.99% of silicon$10,754$20,189$45,030$59,424$9,300 
Phosphorus$2,059,193$12,857,636$10,443,829$27,184,044$35,360,888$64,906,655
Arsenic  $211,680   
Selenium$374   $27,227 
Total$2,131,884$12,941,655$11,085,293$27,431,541$35,567,820$65,078,000