Frequencies for mammbrat variable in pchsa2006_2007 dataset :

    Average |
 percent of |
     female |
   Medicare |
  enrollees |
  age 67-69 |
  having at |
  least one |
      mammo |      Freq.     Percent        Cum.
------------+-----------------------------------
      40.18 |          1        0.03        0.03
       43.6 |          1        0.03        0.06
      44.37 |          1        0.03        0.09
      46.89 |          1        0.03        0.12
      47.53 |          1        0.03        0.15
      49.02 |          1        0.03        0.17
      50.36 |          1        0.03        0.20
      50.37 |          1        0.03        0.23
      51.85 |          1        0.03        0.26
      52.08 |          1        0.03        0.29
      52.21 |          1        0.03        0.32
      52.49 |          1        0.03        0.35
      53.19 |          1        0.03        0.38
      53.38 |          1        0.03        0.41
      53.56 |          1        0.03        0.44
      53.57 |          1        0.03        0.47
       53.7 |          1        0.03        0.49
      53.78 |          1        0.03        0.52
      54.07 |          1        0.03        0.55
      54.29 |          1        0.03        0.58
      54.59 |          1        0.03        0.61
       54.8 |          1        0.03        0.64
      55.32 |          1        0.03        0.67
      55.34 |          1        0.03        0.70
      55.76 |          1        0.03        0.73
      55.84 |          1        0.03        0.76
      56.21 |          1        0.03        0.79
      56.34 |          1        0.03        0.81
      56.54 |          1        0.03        0.84
      56.96 |          1        0.03        0.87
      57.16 |          1        0.03        0.90
      57.66 |          1        0.03        0.93
      57.96 |          1        0.03        0.96
      58.01 |          1        0.03        0.99
       58.3 |          1        0.03        1.02
      58.49 |          1        0.03        1.05
      58.53 |          1        0.03        1.08
      58.71 |          1        0.03        1.11
      59.37 |          1        0.03        1.13
      59.45 |          1        0.03        1.16
      59.99 |          1        0.03        1.19
      60.18 |          1        0.03        1.22
      60.92 |          1        0.03        1.25
       61.2 |          1        0.03        1.28
      61.24 |          1        0.03        1.31
      61.52 |          1        0.03        1.34
      61.75 |          1        0.03        1.37
      62.32 |          1        0.03        1.40
      62.58 |          1        0.03        1.43
      64.04 |          1        0.03        1.45
      64.35 |          1        0.03        1.48
      64.65 |          1        0.03        1.51
      64.98 |          1        0.03        1.54
      65.16 |          1        0.03        1.57
      65.17 |          1        0.03        1.60
      65.31 |          1        0.03        1.63
      65.41 |          1        0.03        1.66
      66.96 |          1        0.03        1.69
      66.97 |          1        0.03        1.72
      67.09 |          1        0.03        1.75
       67.3 |          1        0.03        1.77
      68.07 |          1        0.03        1.80
      68.72 |          1        0.03        1.83
      69.17 |          1        0.03        1.86
      69.79 |          1        0.03        1.89
      70.29 |          1        0.03        1.92
          . |      3,371       98.08      100.00
------------+-----------------------------------
      Total |      3,437      100.00

by Jean Roth , jroth@nber.org , 14 Mar 2018