Commodity200620072008200920102011
Pitch, obt. from coal tar/oth. min. tars$3,533,501$4,359,106$4,054,603$3,315,090$3,313,583$5,141,822
Total$3,533,501$4,359,106$4,054,603$3,315,090$3,313,583$5,141,822