Commodity200520062007200820092011
Anti-knock preps. based on lead comps. $6,254 $28,401$1,569 
Anti-knock preps. other than those based on lead comps. $2,914$1,285$2,741 $123
Additives for lubricating oils cont. petroleum oils/oils obt. from bitumino ...$673    $20
Additives for lubricating oils (excl. of 3811.21) $7,322    
Oxidation inhibitors, gum inhibitors, viscosity improvers, anti-corrosive p ...$1,013$1,542$5,944$138$44$201
Total$1,686$18,032$7,229$31,280$1,613$344