1884:1 to 1989:9 Industrial Production data

Cols  1-10    FRB index of industrial production 1889:1-1989:9
              (see Schwert, J Fin, Dec 1989 for description)

Cols 11-20    new Miron-Romer index of industrial production
              1884:1-1940:12 (see Schwert, J Fin, Sept 89 for description)