Table 6 Diffusion Indexes of Industrial Production Percent ------------------------------------------------------------------------------------------------------- Year Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. ------------------------------------------------------------------------------------------------------- One Month Earlier 2005 54.8 50.5 52.1 52.5 56.4 56.1 56.8 51.2 61.1 58.4 58.4 52.1 2006 63.4 48.2 58.7 60.4 50.2 61.1 59.4 51.2 46.5 41.6 43.2 59.4 2007 46.9 53.6 57.8 59.1 51.2 57.4 55.1 43.6 54.5 45.0 55.6 Three Months Earlier 2005 58.7 61.4 54.8 53.1 57.8 60.1 57.8 57.8 56.8 56.1 56.4 57.8 2006 61.4 56.8 63.0 59.7 56.1 61.1 58.1 57.4 52.5 43.2 36.6 45.5 2007 45.2 53.5 50.2 61.1 60.1 61.4 59.7 53.5 51.8 43.6 51.8 Six Months Earlier 2005 58.7 57.4 59.7 58.1 62.7 59.1 61.1 55.8 62.4 63.0 59.4 56.4 2006 59.1 57.4 64.0 63.0 62.0 64.0 61.4 64.4 59.4 47.5 44.2 46.9 2007 36.3 42.2 42.9 54.1 57.1 57.4 65.7 57.8 61.4 48.8 51.2 ------------------------------------------------------------------------------------------------------- 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.