Table 9
 Diffusion Indexes of Industrial Production
 Percent
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 Year       Jan.    Feb.    Mar.    Apr.     May    June    July    Aug.   Sept.    Oct.    Nov.    Dec.
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 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    42.0    37.7    53.6 
 
 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    41.3    36.6    31.5    38.4 
 
 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    35.9    30.4    32.2    36.6 
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 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.