Commodity2005200620072009
Hydrogen $1,250$70,000 
Argon  $30,000 
Rare gases other than argon$13,447 $163$9,528
Nitrogen$130,160$26,770$45,013$40,194
Oxygen$372,860$147,410$341,748$155,671
Total$516,467$175,430$486,924$205,393