Frequencies for first 10,000 rows of hospcode variable in nhamcsed2005 dataset :

   hospital |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         51        0.51        0.51
          2 |         86        0.86        1.37
          3 |         84        0.84        2.21
          4 |         98        0.98        3.19
          5 |         82        0.82        4.01
          6 |        178        1.78        5.79
          7 |         87        0.87        6.66
          8 |        110        1.10        7.76
          9 |        125        1.25        9.01
         10 |        120        1.20       10.21
         11 |        117        1.17       11.38
         12 |        112        1.12       12.50
         13 |        108        1.08       13.58
         14 |         30        0.30       13.88
         15 |         99        0.99       14.87
         16 |        125        1.25       16.12
         17 |        108        1.08       17.20
         18 |         94        0.94       18.14
         19 |        191        1.91       20.05
         20 |         84        0.84       20.89
         21 |        113        1.13       22.02
         22 |          2        0.02       22.04
         23 |         70        0.70       22.74
         24 |         91        0.91       23.65
         25 |        107        1.07       24.72
         26 |         69        0.69       25.41
         27 |         99        0.99       26.40
         28 |        147        1.47       27.87
         29 |        104        1.04       28.91
         30 |        125        1.25       30.16
         31 |         50        0.50       30.66
         32 |        103        1.03       31.69
         33 |         86        0.86       32.55
         34 |         99        0.99       33.54
         35 |         66        0.66       34.20
         36 |         83        0.83       35.03
         37 |         66        0.66       35.69
         38 |        110        1.10       36.79
         39 |         99        0.99       37.78
         40 |         70        0.70       38.48
         41 |        118        1.18       39.66
         42 |         96        0.96       40.62
         43 |        115        1.15       41.77
         44 |         72        0.72       42.49
         45 |         82        0.82       43.31
         46 |         85        0.85       44.16
         47 |         73        0.73       44.89
         48 |         46        0.46       45.35
         49 |         32        0.32       45.67
         50 |         75        0.75       46.42
         51 |         88        0.88       47.30
         52 |         66        0.66       47.96
         53 |         97        0.97       48.93
         54 |        103        1.03       49.96
         55 |        122        1.22       51.18
         56 |        109        1.09       52.27
         57 |        108        1.08       53.35
         58 |        119        1.19       54.54
         59 |         92        0.92       55.46
         60 |         79        0.79       56.25
         61 |         99        0.99       57.24
         62 |         73        0.73       57.97
         63 |         98        0.98       58.95
         64 |         59        0.59       59.54
         65 |        173        1.73       61.27
         66 |        115        1.15       62.42
         67 |        104        1.04       63.46
         68 |         98        0.98       64.44
         69 |        106        1.06       65.50
         70 |         55        0.55       66.05
         71 |        111        1.11       67.16
         72 |        121        1.21       68.37
         73 |         49        0.49       68.86
         74 |        113        1.13       69.99
         75 |        113        1.13       71.12
         76 |         89        0.89       72.01
         77 |         97        0.97       72.98
         78 |         93        0.93       73.91
         79 |         96        0.96       74.87
         80 |        116        1.16       76.03
         81 |        115        1.15       77.18
         82 |         88        0.88       78.06
         83 |        355        3.55       81.61
         84 |         91        0.91       82.52
         85 |         99        0.99       83.51
         86 |         63        0.63       84.14
         87 |        197        1.97       86.11
         88 |         65        0.65       86.76
         89 |        113        1.13       87.89
         90 |        105        1.05       88.94
         91 |        104        1.04       89.98
         92 |        123        1.23       91.21
         93 |        120        1.20       92.41
         94 |        126        1.26       93.67
         95 |         73        0.73       94.40
         96 |         85        0.85       95.25
         97 |         90        0.90       96.15
         98 |        128        1.28       97.43
         99 |         64        0.64       98.07
        100 |        113        1.13       99.20
        101 |         80        0.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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