Commodity2005200620072008200920102011
Hydrogen$1,000      
Argon$10,000$16,321$218,118$559,291$60,500$49,422$34,731
Rare gases other than argon  $62,747$12,292$6,191$46,352$18,761
Nitrogen$194,000$58,083$25,500$32,493$87,317$7,463$140,979
Oxygen $41$1,887 $9,660$60$18,408
Boron; tellurium  $10,326    
Silicon, cont. by wt. <99.99% of silicon$8,000$17,510  $22,300$135,223$3,458
Selenium   $39,125   
Total$213,000$91,955$318,578$643,201$185,968$238,520$216,337