Commodity200520062007
Hydrogen$65,179$74,404$44,537
Argon$66,502$5,009$27,197
Rare gases other than argon$47,140$18,063$40,460
Nitrogen$350,239$161,213$18,980
Oxygen$330,477$592,147$843,495
Boron; tellurium$15,473$7,196$494
Silicon, cont. by wt. not <99.99% of silicon$11,815$6,585$5,013
Silicon, cont. by wt. <99.99% of silicon$56,193$37,088$55,026
Phosphorus$262,898$1,322$8
Arsenic$342,267$240,148$275,071
Selenium$39,237$1,242$31,288
Total$1,587,420$1,144,417$1,341,569