Frequencies for first 10,000 rows of hospcode variable in nhamcsopd2002 dataset :

   hospital |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          3 |        337        3.37        3.37
          6 |        178        1.78        5.15
          7 |         39        0.39        5.54
         17 |        130        1.30        6.84
         23 |        248        2.48        9.32
         24 |        269        2.69       12.01
         25 |        105        1.05       13.06
         45 |        114        1.14       14.20
         53 |        327        3.27       17.47
         54 |        113        1.13       18.60
         57 |        282        2.82       21.42
         61 |         83        0.83       22.25
         65 |        207        2.07       24.32
         66 |        168        1.68       26.00
         78 |        250        2.50       28.50
         79 |        264        2.64       31.14
         82 |        105        1.05       32.19
         87 |        151        1.51       33.70
         88 |        165        1.65       35.35
         94 |        198        1.98       37.33
         95 |        278        2.78       40.11
         99 |         71        0.71       40.82
        103 |        157        1.57       42.39
        105 |        183        1.83       44.22
        106 |        172        1.72       45.94
        114 |        113        1.13       47.07
        117 |        206        2.06       49.13
        118 |        130        1.30       50.43
        120 |        181        1.81       52.24
        121 |        204        2.04       54.28
        122 |        319        3.19       57.47
        128 |         11        0.11       57.58
        130 |        134        1.34       58.92
        133 |        165        1.65       60.57
        134 |        258        2.58       63.15
        137 |        742        7.42       70.57
        141 |        211        2.11       72.68
        144 |        122        1.22       73.90
        154 |        210        2.10       76.00
        161 |        243        2.43       78.43
        166 |        233        2.33       80.76
        173 |        224        2.24       83.00
        181 |         30        0.30       83.30
        182 |        174        1.74       85.04
        187 |        191        1.91       86.95
        191 |        302        3.02       89.97
        198 |        171        1.71       91.68
        201 |         97        0.97       92.65
        204 |         59        0.59       93.24
        206 |        184        1.84       95.08
        209 |        172        1.72       96.80
        222 |        166        1.66       98.46
        230 |        154        1.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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