Commodity2005200620072008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$78,376$60,520$44,359$23,153$23,094$14,186$1,088,661
Objective lenses (excl. of 9002.11), of any mat., mounted$4,045,154$6,082,353$4,370,900$6,305,399$5,965,776$7,771,726$10,399,889
Filters (i.e., optical elements), of any mat., mounted$363,910$879,234$196,370$240,350$728,193$564,627$1,246,926
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$1,346,912$1,677,672$2,129,706$2,765,399$2,784,976$2,649,500$4,883,049
Total$5,834,352$8,699,779$6,741,335$9,334,301$9,502,039$11,000,039$17,618,525