Commodity2005200620072008200920102011
Monophenols (excl. of 2907.11-2907.15)$2,000$1,502   $417$926
Hydroquinone (quinol) & its salts $111$4,706$19,953$3,503$5,905$20,526
4,4'-Isopropylidenediphenol (bisphenol A, diphenylolpropane) & its salts    $1,160  
Total$2,000$1,613$4,706$19,953$4,663$6,322$21,452