Table 6
 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
  2004     56.1    58.7    49.5    62.4    59.1    44.2    60.7    57.8    49.5    59.7    50.5    56.1 
  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    43.6    46.9 
 
 Three Months Earlier
  2004     58.7    57.4    56.1    59.7    61.4    53.8    53.8    57.8    57.1    56.1    51.2    60.7 
  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    44.6    40.3 
 
 Six Months Earlier
  2004     61.1    61.1    55.4    62.7    58.4    57.1    60.1    61.1    59.4    58.4    56.4    64.7 
  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    47.9 
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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.