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 43.9 42.0 46.2 42.3 50.3 50.6 46.2 41.3 29.5 39.7 28.8 20.2 2009 33.0 41.5 33.0 45.8 39.4 42.6 61.5 61.2 57.1 55.4 65.4 49.4 2010 62.5 51.6 64.4 66.3 Three Months Earlier 2008 49.4 40.7 37.5 40.1 44.2 41.0 43.6 38.1 26.6 30.1 23.1 22.4 2009 16.3 20.2 30.4 38.8 34.5 37.8 47.1 59.6 64.7 60.6 64.1 55.8 2010 63.8 57.7 65.7 64.1 Six Months Earlier 2008 46.5 47.4 47.1 44.9 39.1 34.6 36.9 38.5 25.0 25.3 25.6 16.7 2009 16.0 16.0 21.8 17.9 20.5 31.7 39.1 43.6 53.8 52.6 62.5 67.3 2010 64.7 62.2 63.1 69.9 ------------------------------------------------------------------------------------------------------- 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.