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

   hospital |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        155        1.55        1.55
          2 |         76        0.76        2.31
          3 |         81        0.81        3.12
          4 |         88        0.88        4.00
          5 |        221        2.21        6.21
          6 |        177        1.77        7.98
          7 |        337        3.37       11.35
          8 |         72        0.72       12.07
          9 |        188        1.88       13.95
         10 |        145        1.45       15.40
         11 |         97        0.97       16.37
         12 |        179        1.79       18.16
         13 |        183        1.83       19.99
         14 |        358        3.58       23.57
         15 |        128        1.28       24.85
         16 |         63        0.63       25.48
         17 |         21        0.21       25.69
         18 |        122        1.22       26.91
         19 |        166        1.66       28.57
         20 |        213        2.13       30.70
         21 |        159        1.59       32.29
         22 |        275        2.75       35.04
         23 |        182        1.82       36.86
         24 |        157        1.57       38.43
         25 |        143        1.43       39.86
         26 |        170        1.70       41.56
         27 |        166        1.66       43.22
         28 |        187        1.87       45.09
         29 |        145        1.45       46.54
         30 |        171        1.71       48.25
         31 |        120        1.20       49.45
         32 |        122        1.22       50.67
         33 |        187        1.87       52.54
         34 |        154        1.54       54.08
         35 |        267        2.67       56.75
         36 |        120        1.20       57.95
         37 |        151        1.51       59.46
         38 |         65        0.65       60.11
         39 |         61        0.61       60.72
         40 |        415        4.15       64.87
         41 |        139        1.39       66.26
         42 |        136        1.36       67.62
         43 |        169        1.69       69.31
         44 |        179        1.79       71.10
         45 |        206        2.06       73.16
         46 |        165        1.65       74.81
         47 |        169        1.69       76.50
         48 |         94        0.94       77.44
         49 |         88        0.88       78.32
         50 |         84        0.84       79.16
         51 |        163        1.63       80.79
         52 |         22        0.22       81.01
         53 |        151        1.51       82.52
         54 |        224        2.24       84.76
         55 |        216        2.16       86.92
         56 |        155        1.55       88.47
         57 |        166        1.66       90.13
         58 |        142        1.42       91.55
         59 |        166        1.66       93.21
         60 |        197        1.97       95.18
         61 |        157        1.57       96.75
         62 |        178        1.78       98.53
         63 |        147        1.47      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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