Table 9 Diffusion Indexes of Industrial Production Percent ------------------------------------------------------------------------------------------------------- Year Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. ------------------------------------------------------------------------------------------------------- One Month Earlier 1999 55.4 55.4 51.4 53.6 51.1 51.8 59.1 58.0 52.2 62.0 56.2 58.3 2000 54.3 55.1 57.2 47.8 50.4 53.6 49.6 41.3 51.4 43.5 44.2 42.8 2001 46.0 36.6 39.9 43.1 41.7 40.9 47.8 43.5 39.5 34.8 Three Months Earlier 1999 51.1 54.3 55.8 54.7 53.3 57.6 58.0 63.4 56.2 62.0 58.3 61.6 2000 61.2 57.6 59.4 55.4 48.6 51.4 51.4 44.2 38.4 39.1 40.2 38.8 2001 39.5 37.5 36.6 38.0 37.7 37.7 39.1 40.2 42.0 37.7 Six Months Earlier 1999 51.1 51.8 52.9 52.9 53.3 53.3 54.3 59.1 59.4 63.4 62.3 63.8 2000 63.4 62.0 65.9 59.8 57.6 58.0 53.6 45.3 43.5 41.3 40.2 37.0 2001 35.5 32.6 32.2 30.8 31.9 32.6 30.1 32.6 37.7 29.7 ------------------------------------------------------------------------------------------------------- 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.