Table 6 Diffusion Indexes of Industrial Production Percent ------------------------------------------------------------------------------------------------------- Year Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. ------------------------------------------------------------------------------------------------------- One Month Earlier 2003 43.7 50.7 43.0 37.0 52.7 56.0 49.7 48.3 59.0 60.3 71.0 58.7 2004 59.0 61.7 49.7 61.7 58.3 53.5 58.3 56.3 44.7 58.7 56.7 57.7 2005 54.7 46.8 52.7 47.0 Three Months Earlier 2003 42.7 40.3 40.7 35.3 37.3 47.3 57.3 55.7 57.3 61.7 71.7 66.3 2004 66.3 61.0 62.0 62.7 61.7 61.3 60.0 58.0 53.0 56.7 56.3 62.7 2005 59.2 55.7 52.3 46.7 Six Months Earlier 2003 39.7 36.0 36.3 34.7 38.7 43.3 44.0 43.7 51.7 62.0 69.7 67.7 2004 67.3 70.3 67.7 72.3 65.7 62.0 66.3 62.7 58.3 60.7 60.0 65.0 2005 62.0 55.7 60.3 52.0 ------------------------------------------------------------------------------------------------------- Note: The diffusion indexes are calculated as the percentage of series that increased over the indicated span (one, three, or six months) plus one-half the percentage that were unchanged.