Commodity2005200620072008200920102011
Hydrogen $4,877 $100$95$2,740$22,756
Argon$37,379$41,899$55,935$41,024$152,338$241,066$331,873
Rare gases other than argon$73,208$79,960$55,037$85,783$83,205$180,024$163,519
Nitrogen$13,681$9,025$10,849$14,649$7,563$2,161$12,614
Oxygen$5,459$2,684$89,606$154,489$923$99,253$56,129
Boron; tellurium  $494    
Silicon, cont. by wt. not <99.99% of silicon $668$142,247$76,688$14,926  
Silicon, cont. by wt. <99.99% of silicon$5,069$50,008$11,153$15,746$2,730$22,772$8,228
Phosphorus$1,498 $12    
Arsenic $2,212$30 $700 $2,360
Selenium$66,097$162,293$2,063$112,505$28,325$113,092$224,799
Total$202,391$353,626$367,426$500,984$290,805$661,108$822,278