Table 6 Diffusion Indexes of Industrial Production Percent ------------------------------------------------------------------------------------------------------- Year Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. ------------------------------------------------------------------------------------------------------- One Month Earlier 2002 52.9 54.9 62.4 58.0 59.0 60.7 45.8 48.5 47.5 44.1 53.6 48.8 2003 48.8 48.8 38.3 36.3 51.5 52.5 57.6 45.8 59.3 62.4 69.2 53.2 2004 60.7 56.6 53.9 63.2 Three Months Earlier 2002 46.8 57.1 60.2 64.7 68.1 63.1 58.0 52.9 43.7 44.4 45.8 45.8 2003 47.5 45.1 42.0 33.6 36.3 45.4 55.6 55.3 59.3 60.5 73.2 62.4 2004 64.4 60.7 63.7 63.1 Six Months Earlier 2002 41.4 42.5 53.4 56.1 61.6 65.0 61.4 61.7 52.9 50.8 46.8 44.4 2003 40.7 40.0 40.3 33.6 34.9 39.3 43.1 42.4 52.9 60.3 67.1 68.5 2004 67.1 70.5 67.1 72.2 ------------------------------------------------------------------------------------------------------- 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.