Frequencies for first 10,000 rows of pastvis variable in namcs2015 dataset :

If yes, how |
  many past |
  visits in |
the last 12 |
    months? |      Freq.     Percent        Cum.
------------+-----------------------------------
         -7 |      1,766       17.66       17.66
          0 |        763        7.63       25.29
          1 |      1,898       18.98       44.27
          2 |      1,394       13.94       58.21
          3 |      1,055       10.55       68.76
          4 |        769        7.69       76.45
          5 |        545        5.45       81.90
          6 |        342        3.42       85.32
          7 |        310        3.10       88.42
          8 |        257        2.57       90.99
          9 |        171        1.71       92.70
         10 |        148        1.48       94.18
         11 |        113        1.13       95.31
         12 |        120        1.20       96.51
         13 |         49        0.49       97.00
         14 |         49        0.49       97.49
         15 |         36        0.36       97.85
         16 |         22        0.22       98.07
         17 |         17        0.17       98.24
         18 |         12        0.12       98.36
         19 |          9        0.09       98.45
         20 |         18        0.18       98.63
         21 |          8        0.08       98.71
         22 |         12        0.12       98.83
         23 |         10        0.10       98.93
         24 |         11        0.11       99.04
         25 |          4        0.04       99.08
         26 |          4        0.04       99.12
         27 |          4        0.04       99.16
         28 |          2        0.02       99.18
         29 |          6        0.06       99.24
         30 |          9        0.09       99.33
         32 |          3        0.03       99.36
         33 |          2        0.02       99.38
         34 |          2        0.02       99.40
         35 |         17        0.17       99.57
         36 |          4        0.04       99.61
         37 |          1        0.01       99.62
         38 |          4        0.04       99.66
         40 |          2        0.02       99.68
         42 |          1        0.01       99.69
         44 |          1        0.01       99.70
         45 |          4        0.04       99.74
         46 |          6        0.06       99.80
         48 |          2        0.02       99.82
         50 |          4        0.04       99.86
         54 |          1        0.01       99.87
         56 |          1        0.01       99.88
         70 |          1        0.01       99.89
         92 |          2        0.02       99.91
        100 |          2        0.02       99.93
        114 |          1        0.01       99.94
        135 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017