Table 6 Diffusion Indexes of Industrial Production Percent ------------------------------------------------------------------------------------------------------- Year Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. ------------------------------------------------------------------------------------------------------- One Month Earlier 2001 41.4 40.3 40.3 46.8 35.3 38.0 47.5 45.1 42.4 43.1 38.6 49.5 2002 55.6 61.0 61.0 58.0 59.3 55.9 52.9 48.5 43.9 41.7 48.1 46.4 2003 58.8 Three Months Earlier 2001 34.6 29.8 33.9 36.9 33.9 36.9 39.0 40.3 38.0 40.7 37.6 40.3 2002 44.7 55.1 59.9 60.7 63.1 62.0 63.7 58.3 47.5 38.3 47.1 43.1 2003 52.9 Six Months Earlier 2001 30.2 30.5 28.5 27.8 27.8 30.8 31.5 38.0 38.0 32.5 33.2 38.0 2002 39.3 43.9 52.7 53.7 66.3 66.3 65.8 63.7 54.9 49.8 51.2 46.8 2003 45.4 ------------------------------------------------------------------------------------------------------- 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.