Frequencies for first 10,000 rows of pastvis variable in namcs2012 dataset :

  If yes, how many past visits |
        in the last 12 months? |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
                Not applicable |      1,793       17.93       17.93
                             0 |        686        6.86       24.79
                             1 |      1,644       16.44       41.23
                             2 |      1,234       12.34       53.57
                             3 |      1,037       10.37       63.94
                             4 |        781        7.81       71.75
                             5 |        569        5.69       77.44
                             6 |        439        4.39       81.83
                             7 |        302        3.02       84.85
                             8 |        226        2.26       87.11
                             9 |        149        1.49       88.60
                            10 |        165        1.65       90.25
                            11 |        122        1.22       91.47
                            12 |        126        1.26       92.73
                            13 |         69        0.69       93.42
                            14 |         69        0.69       94.11
                            15 |         51        0.51       94.62
                            16 |         40        0.40       95.02
                            17 |         42        0.42       95.44
                            18 |         55        0.55       95.99
                            19 |         25        0.25       96.24
                            20 |         44        0.44       96.68
                            21 |         24        0.24       96.92
                            22 |         18        0.18       97.10
                            23 |         23        0.23       97.33
                            24 |         30        0.30       97.63
                            25 |         17        0.17       97.80
                            26 |         13        0.13       97.93
                            27 |         20        0.20       98.13
                            28 |          8        0.08       98.21
                            29 |         14        0.14       98.35
                            30 |         27        0.27       98.62
                            31 |          4        0.04       98.66
                            32 |         10        0.10       98.76
                            33 |          2        0.02       98.78
                            34 |          4        0.04       98.82
35 or more (except psychiatry) |         57        0.57       99.39
                            36 |          2        0.02       99.41
                            37 |          1        0.01       99.42
                            38 |          2        0.02       99.44
                            39 |          3        0.03       99.47
                            40 |          4        0.04       99.51
                            43 |          1        0.01       99.52
                            44 |          2        0.02       99.54
                            45 |          3        0.03       99.57
                            46 |          1        0.01       99.58
                            48 |         15        0.15       99.73
                            49 |          2        0.02       99.75
                            52 |          5        0.05       99.80
                            61 |          1        0.01       99.81
                            62 |          1        0.01       99.82
                            66 |          1        0.01       99.83
                            80 |          1        0.01       99.84
                            81 |          1        0.01       99.85
                            82 |          1        0.01       99.86
                            90 |          2        0.02       99.88
                            96 |          3        0.03       99.91
                           115 |          1        0.01       99.92
                           116 |          1        0.01       99.93
                           117 |          1        0.01       99.94
                           129 |          1        0.01       99.95
                           130 |          1        0.01       99.96
                           131 |          1        0.01       99.97
                           132 |          1        0.01       99.98
      135 or more (psychiatry) |          2        0.02      100.00
-------------------------------+-----------------------------------
                         Total |     10,000      100.00

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