Frequencies for first 10,000 rows of hospcode variable in nhamcsopd2005 dataset :

   hospital |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        158        1.58        1.58
          2 |        155        1.55        3.13
          3 |        186        1.86        4.99
          4 |         94        0.94        5.93
          5 |        153        1.53        7.46
          6 |         93        0.93        8.39
          7 |         84        0.84        9.23
          8 |         89        0.89       10.12
          9 |        148        1.48       11.60
         10 |        161        1.61       13.21
         11 |        138        1.38       14.59
         12 |        125        1.25       15.84
         13 |         64        0.64       16.48
         14 |        345        3.45       19.93
         15 |        277        2.77       22.70
         16 |        104        1.04       23.74
         17 |        239        2.39       26.13
         18 |        208        2.08       28.21
         19 |         30        0.30       28.51
         20 |        123        1.23       29.74
         21 |        179        1.79       31.53
         22 |        298        2.98       34.51
         23 |         93        0.93       35.44
         24 |        296        2.96       38.40
         25 |        168        1.68       40.08
         26 |        276        2.76       42.84
         27 |        305        3.05       45.89
         28 |        168        1.68       47.57
         29 |        177        1.77       49.34
         30 |        100        1.00       50.34
         31 |        196        1.96       52.30
         32 |         61        0.61       52.91
         33 |        126        1.26       54.17
         34 |        147        1.47       55.64
         35 |        154        1.54       57.18
         36 |        257        2.57       59.75
         37 |         92        0.92       60.67
         38 |         65        0.65       61.32
         39 |        186        1.86       63.18
         40 |         51        0.51       63.69
         41 |         56        0.56       64.25
         42 |        162        1.62       65.87
         43 |        290        2.90       68.77
         44 |        260        2.60       71.37
         45 |        198        1.98       73.35
         46 |        247        2.47       75.82
         47 |        185        1.85       77.67
         48 |        181        1.81       79.48
         49 |        177        1.77       81.25
         50 |        174        1.74       82.99
         51 |        569        5.69       88.68
         52 |        126        1.26       89.94
         53 |        144        1.44       91.38
         54 |        213        2.13       93.51
         55 |         91        0.91       94.42
         56 |        177        1.77       96.19
         57 |        108        1.08       97.27
         58 |        214        2.14       99.41
         59 |         59        0.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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