Commodity2005200620072008200920102011
Pitch, obt. from coal tar/oth. min. tars$3,534,410$4,597,211$5,319,578$4,473,837$3,985,205$4,545,303$6,116,717
Total$3,534,410$4,597,211$5,319,578$4,473,837$3,985,205$4,545,303$6,116,717