Commodity2005200620072008200920102011
Hydrogen$7,142$7,874$4,395$7,001$6,747$11,595$13,268
Argon$536,657$859,580$1,056,228$1,072,044$716,049$723,510$899,381
Rare gases other than argon$210,938$147,598$177,475$332,715$183,560$237,594$237,065
Nitrogen$200,299$293,727$431,633$627,453$578,002$568,025$569,967
Oxygen$896,053$1,262,729$1,479,617$1,579,496$920,764$1,727,590$2,044,428
Boron; tellurium $580     
Silicon, cont. by wt. not <99.99% of silicon$120,485 $1,035$35  $1,885
Silicon, cont. by wt. <99.99% of silicon$1,092,856$908,133$1,246,834$1,629,883$709,824$2,115,353$1,207,770
Phosphorus $1,865$28$198$2,261$35 
Arsenic      $14,266
Selenium$9,498$28,734$35,674$34,254$22,740$28,215$58,843
Total$3,073,928$3,510,820$4,432,919$5,283,079$3,139,947$5,411,917$5,046,873