Frequencies for first 10,000 rows of hospcode variable in nhamcsopd2001 dataset :

   hospital |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          4 |        280        2.80        2.80
         11 |        158        1.58        4.38
         17 |         85        0.85        5.23
         19 |        196        1.96        7.19
         22 |        155        1.55        8.74
         30 |        162        1.62       10.36
         34 |        194        1.94       12.30
         35 |         51        0.51       12.81
         36 |        301        3.01       15.82
         39 |        179        1.79       17.61
         44 |        110        1.10       18.71
         45 |        143        1.43       20.14
         47 |        191        1.91       22.05
         50 |        186        1.86       23.91
         58 |         16        0.16       24.07
         60 |        192        1.92       25.99
         66 |         80        0.80       26.79
         67 |        344        3.44       30.23
         72 |        154        1.54       31.77
         75 |        160        1.60       33.37
         83 |        103        1.03       34.40
         85 |        211        2.11       36.51
         91 |        158        1.58       38.09
         97 |        237        2.37       40.46
        101 |         33        0.33       40.79
        111 |        142        1.42       42.21
        114 |        154        1.54       43.75
        116 |        216        2.16       45.91
        117 |        137        1.37       47.28
        118 |        139        1.39       48.67
        123 |        272        2.72       51.39
        133 |        151        1.51       52.90
        136 |        284        2.84       55.74
        141 |         88        0.88       56.62
        151 |        142        1.42       58.04
        152 |        166        1.66       59.70
        154 |        123        1.23       60.93
        155 |        230        2.30       63.23
        160 |         87        0.87       64.10
        167 |        179        1.79       65.89
        169 |        183        1.83       67.72
        171 |        190        1.90       69.62
        178 |        303        3.03       72.65
        182 |        291        2.91       75.56
        183 |        111        1.11       76.67
        185 |        137        1.37       78.04
        187 |        177        1.77       79.81
        188 |        267        2.67       82.48
        195 |        113        1.13       83.61
        197 |        148        1.48       85.09
        200 |        102        1.02       86.11
        201 |        339        3.39       89.50
        202 |        137        1.37       90.87
        207 |        165        1.65       92.52
        209 |        225        2.25       94.77
        217 |        130        1.30       96.07
        223 |        287        2.87       98.94
        226 |        106        1.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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