Table 12a -- Number of Counties by the Revised CCRS and Probability 
             "Coverage Rate", Tax Year 1991-1992

Source:  U.S. Bureau of the Census
Internet Release date:  June 20, 1997

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                                     Probability
                 ------------------------------------------------------
   Revised              Under   50    60    70    80    85    90    95 
     CCRS         Total   50    to    to    to    to    to    to    to 
                                59    69    79    84    89    94    99 
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Total...........  3,139    7    16    82   430   665   887   654   254
Under 50........     18    1     3     2     6     1     2     2     0  
 50 to 59........    13    0     4     3     4     0     0     1     0   
 60 to 69........    80    2     3    45    22     3     4     0     1   
 70 to 79........   467    1     4    20   296   107    28     7     2   
 80 to 84........   637    2     0     5    64   404   126    25     6  
 85 to 89........   832    0     1     1    20   115   562   117    12  
 90 to 94........   617    1     0     3    10    18   135   391    49  
 95 to 99........   306    0     0     1     5    11    22    89   149   
100 to 104......     86    0     1     0     0     1     1    13    30  
105 to 109......     40    0     0     1     0     1     4     5     3  
110 to 114......     17    0     0     0     2     1     1     0     2  
115 to 119......      5    0     0     0     0     0     0     0     0  
120 to 129......      6    0     0     0     0     1     0     2     0  
130 to 139......      4    0     0     1     0     1     1     0     0  
140 to 149......      4    0     0     0     0     0     0     0     0  
150 and over....      6    0     0     0     1     1     1     2     0  
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                                       Probability
                    ------------------------------------------------
        Revised       100   105   110   115   120   130   140   150
          CCRS         to    to    to    to    to    to    to   and
                      104   109   114   119   129   139   149  Over 
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    Total...........   84    30    12     9     7     0     0     2         
    Under 50........    0     0     0     1     0     0     0     0  
     50 to 59.......    1     0     0     0     0     0     0     0         
     60 to 69.......    0     0     0     0     0     0     0     0     
     70 to 79.......    1     0     0     1     0     0     0     0         
     80 to 84.......    3     0     1     0     1     0     0     0 
     85 to 89.......    2     1     0     0     1     0     0     0         
     90 to 94.......    5     3     1     0     1     0     0     0  
     95 to 99.......   26     0     1     1     1     0     0     1         
    100 to 104......   35     2     2     1     0     0     0     0
    105 to 109......    9    15     1     0     1     0     0     0         
    110 to 114......    2     4     5     0     0     0     0     0  
    115 to 119......    0     2     0     2     1     0     0     0         
    120 to 129......    0     1     1     1     0     0     0     0 
    130 to 139......    0     0     0     0     1     0     0     0         
    140 to 149......    0     2     0     2     0     0     0     0 
    150 and over....    0     0     0     0     0     0     0     1     
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