N.H. Rev. Stat. Ann. § 82:36

The commissioner of revenue administration shall incorporate in his report all facts as to the total market value of the stocks and bonds and other funded or floating debt of such corporation or company and the capitalized value ascertained as herein provided, all facts relative to the total trackage of such railroad or railway corporation or company, the total number of car-miles of each parlor, sleeping or dining car corporation or company, and the total length of lines of rail or water-routes of each express corporation or company, together with such other information as it may deem proper.