Commodity2005200620072008200920102011
Objective lenses for cameras/projectors/photog. enlargers/reducers, of any ...$5,448,910$12,467,516$15,268,105$13,847,234$14,564,981$20,888,699$25,487,002
Objective lenses (excl. of 9002.11), of any mat., mounted$4,184$8,997$9,140$2,144$10,967  
Filters (i.e., optical elements), of any mat., mounted$1,226$1,584$6,974$12,945$18,398$72,690$94,339
Lenses, prisms, mirrors & oth.optical elements, of any mat., mounted, being ...$3,148$32,646$15,781$39,442$1,381 $39,769
Total$5,457,468$12,510,743$15,300,000$13,901,765$14,595,727$20,961,389$25,621,110