Table 6 Diffusion Indexes of Industrial Production Percent ------------------------------------------------------------------------------------------------------- Year Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. ------------------------------------------------------------------------------------------------------- One Month Earlier 2008 42.6 37.5 49.4 37.8 45.5 47.1 44.2 39.7 29.8 40.1 27.6 21.5 2009 34.0 42.3 36.2 43.6 42.3 44.9 64.7 61.5 59.6 54.2 64.4 50.6 2010 64.4 51.0 64.1 62.2 62.5 51.6 56.7 52.9 47.6 Three Months Earlier 2008 49.0 39.1 36.2 34.0 39.1 33.7 36.5 34.3 25.6 25.6 22.1 19.2 2009 17.3 21.8 31.1 36.2 36.2 41.0 51.3 64.4 66.3 62.5 67.0 57.7 2010 66.7 58.3 64.7 62.2 71.5 64.4 60.9 57.1 53.8 Six Months Earlier 2008 47.4 42.0 39.7 37.5 35.3 31.7 35.6 34.9 22.4 23.7 24.4 13.5 2009 15.7 16.7 22.4 19.6 22.4 33.0 39.4 45.8 55.4 58.3 67.0 67.3 2010 68.6 66.3 67.3 72.1 72.4 70.2 65.1 65.4 62.8 ------------------------------------------------------------------------------------------------------- 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.