Frequencies for first 10,000 rows of servcnt variable in namcs2014 dataset :

  Total number of |
 services ordered |
      or provided |
  including vital |
            signs |      Freq.     Percent        Cum.
------------------+-----------------------------------
                0 |        291        2.91        2.91
                1 |      1,014       10.14       13.05
                2 |        770        7.70       20.75
                3 |      1,237       12.37       33.12
                4 |      1,722       17.22       50.34
                5 |      1,258       12.58       62.92
                6 |        946        9.46       72.38
                7 |        685        6.85       79.23
                8 |        475        4.75       83.98
                9 |        406        4.06       88.04
               10 |        331        3.31       91.35
               11 |        229        2.29       93.64
               12 |        151        1.51       95.15
               13 |        134        1.34       96.49
               14 |         87        0.87       97.36
               15 |         64        0.64       98.00
               16 |         49        0.49       98.49
               17 |         31        0.31       98.80
               18 |         37        0.37       99.17
               19 |         25        0.25       99.42
               20 |         12        0.12       99.54
               21 |         15        0.15       99.69
               22 |         11        0.11       99.80
               23 |          5        0.05       99.85
               24 |          3        0.03       99.88
               25 |          3        0.03       99.91
               26 |          2        0.02       99.93
               27 |          1        0.01       99.94
               28 |          2        0.02       99.96
               29 |          2        0.02       99.98
               30 |          1        0.01       99.99
               31 |          1        0.01      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017