Note: Price = US$/short ton
Source: The real price is based on 1982 dollar. The nominal monthly price was collected from 'Pulp and Paper Week' and was divided by the PPI of all commodities to get the real price. The PPI used is obtained from the website: http://www.bls.gov/, item: All Commodities, Series Id: WPU00000000 and the base date is 1982.