Frequencies for first 10,000 rows of pastvis variable in namcs2007 dataset :

 if yes, how many |
visits in past 12 |
          months? |      Freq.     Percent        Cum.
------------------+-----------------------------------
   not applicable |        990        9.90        9.90
                0 |        515        5.15       15.05
                1 |      1,469       14.69       29.74
                2 |      1,456       14.56       44.30
                3 |      1,325       13.25       57.55
                4 |      1,079       10.79       68.34
                5 |        761        7.61       75.95
                6 |        600        6.00       81.95
                7 |        421        4.21       86.16
                8 |        310        3.10       89.26
                9 |        207        2.07       91.33
               10 |        204        2.04       93.37
               11 |        123        1.23       94.60
               12 |        125        1.25       95.85
               13 |         72        0.72       96.57
               14 |         74        0.74       97.31
               15 |         54        0.54       97.85
               16 |         36        0.36       98.21
               17 |         27        0.27       98.48
               18 |         24        0.24       98.72
               19 |         12        0.12       98.84
               20 |         11        0.11       98.95
               21 |          8        0.08       99.03
               22 |          2        0.02       99.05
               23 |          8        0.08       99.13
               24 |         17        0.17       99.30
               25 |          8        0.08       99.38
               26 |          6        0.06       99.44
               27 |          1        0.01       99.45
               28 |          1        0.01       99.46
               29 |          4        0.04       99.50
               30 |          5        0.05       99.55
               32 |          2        0.02       99.57
               33 |          2        0.02       99.59
               34 |          3        0.03       99.62
               35 |          1        0.01       99.63
               36 |          1        0.01       99.64
               38 |          1        0.01       99.65
               40 |          1        0.01       99.66
               45 |          2        0.02       99.68
               46 |          7        0.07       99.75
               48 |         10        0.10       99.85
               49 |          2        0.02       99.87
               52 |          2        0.02       99.89
               53 |          2        0.02       99.91
               54 |          1        0.01       99.92
               60 |          1        0.01       99.93
               61 |          1        0.01       99.94
               64 |          1        0.01       99.95
               68 |          1        0.01       99.96
               96 |          1        0.01       99.97
               97 |          1        0.01       99.98
               98 |          1        0.01       99.99
99 visits or more |          1        0.01      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016