Frequencies for first 10,000 rows of hospcode variable in nhamcsopd2004 dataset :

   hospital |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        135        1.35        1.35
          2 |        168        1.68        3.03
          3 |         84        0.84        3.87
          4 |         29        0.29        4.16
          5 |         38        0.38        4.54
          6 |        113        1.13        5.67
          7 |        108        1.08        6.75
          8 |         59        0.59        7.34
          9 |         66        0.66        8.00
         10 |         48        0.48        8.48
         11 |         86        0.86        9.34
         12 |         99        0.99       10.33
         13 |        194        1.94       12.27
         14 |        206        2.06       14.33
         15 |        230        2.30       16.63
         16 |         93        0.93       17.56
         17 |        116        1.16       18.72
         18 |        131        1.31       20.03
         19 |        283        2.83       22.86
         20 |        212        2.12       24.98
         21 |        163        1.63       26.61
         22 |        141        1.41       28.02
         23 |        161        1.61       29.63
         24 |        209        2.09       31.72
         25 |        325        3.25       34.97
         26 |         66        0.66       35.63
         27 |        128        1.28       36.91
         28 |        132        1.32       38.23
         29 |         92        0.92       39.15
         30 |        185        1.85       41.00
         31 |        125        1.25       42.25
         32 |        108        1.08       43.33
         33 |        144        1.44       44.77
         34 |        269        2.69       47.46
         35 |        199        1.99       49.45
         36 |        173        1.73       51.18
         37 |        117        1.17       52.35
         38 |        139        1.39       53.74
         39 |        172        1.72       55.46
         40 |        252        2.52       57.98
         41 |        164        1.64       59.62
         42 |        231        2.31       61.93
         43 |        169        1.69       63.62
         44 |        156        1.56       65.18
         45 |        136        1.36       66.54
         46 |        167        1.67       68.21
         47 |         98        0.98       69.19
         48 |        214        2.14       71.33
         49 |         96        0.96       72.29
         50 |         98        0.98       73.27
         51 |        112        1.12       74.39
         52 |         76        0.76       75.15
         53 |         70        0.70       75.85
         54 |        183        1.83       77.68
         55 |        184        1.84       79.52
         56 |        290        2.90       82.42
         57 |        128        1.28       83.70
         58 |        140        1.40       85.10
         59 |        160        1.60       86.70
         60 |        185        1.85       88.55
         61 |        229        2.29       90.84
         62 |        208        2.08       92.92
         63 |        316        3.16       96.08
         64 |        110        1.10       97.18
         65 |        194        1.94       99.12
         66 |         88        0.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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