Frequencies for first 10,000 rows of totserv variable in nhamcsopd2010 dataset :

      total |
diag/screen |
    /nonmed |
  treatment |
   services |
ordered/pro |
      vided |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        538        5.38        5.38
          1 |        974        9.74       15.12
          2 |      1,119       11.19       26.31
          3 |      1,657       16.57       42.88
          4 |      2,137       21.37       64.25
          5 |      1,459       14.59       78.84
          6 |        789        7.89       86.73
          7 |        465        4.65       91.38
          8 |        283        2.83       94.21
          9 |        138        1.38       95.59
         10 |         97        0.97       96.56
         11 |         69        0.69       97.25
         12 |         32        0.32       97.57
         13 |         25        0.25       97.82
         14 |         24        0.24       98.06
         15 |         24        0.24       98.30
         16 |         36        0.36       98.66
         17 |         33        0.33       98.99
         18 |         35        0.35       99.34
         19 |         19        0.19       99.53
         20 |         16        0.16       99.69
         21 |         12        0.12       99.81
         22 |         11        0.11       99.92
         23 |          5        0.05       99.97
         24 |          1        0.01       99.98
         25 |          1        0.01       99.99
         26 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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