Frequencies for first 10,000 rows of hospcode variable in nhamcsed2006 dataset :

   hospital |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        102        1.02        1.02
          2 |        114        1.14        2.16
          3 |        103        1.03        3.19
          4 |         88        0.88        4.07
          5 |         88        0.88        4.95
          6 |        102        1.02        5.97
          7 |         46        0.46        6.43
          8 |         84        0.84        7.27
          9 |         97        0.97        8.24
         10 |        108        1.08        9.32
         11 |        118        1.18       10.50
         12 |         83        0.83       11.33
         13 |         92        0.92       12.25
         14 |         76        0.76       13.01
         15 |         97        0.97       13.98
         16 |         76        0.76       14.74
         17 |         99        0.99       15.73
         18 |         96        0.96       16.69
         19 |        115        1.15       17.84
         20 |        217        2.17       20.01
         21 |        116        1.16       21.17
         22 |        126        1.26       22.43
         23 |        111        1.11       23.54
         24 |         81        0.81       24.35
         25 |        115        1.15       25.50
         26 |         86        0.86       26.36
         27 |         52        0.52       26.88
         28 |         82        0.82       27.70
         29 |         97        0.97       28.67
         30 |        100        1.00       29.67
         31 |        106        1.06       30.73
         32 |         66        0.66       31.39
         33 |        107        1.07       32.46
         34 |        109        1.09       33.55
         35 |        103        1.03       34.58
         36 |        100        1.00       35.58
         37 |        103        1.03       36.61
         38 |        105        1.05       37.66
         39 |         79        0.79       38.45
         40 |         37        0.37       38.82
         41 |         97        0.97       39.79
         42 |         66        0.66       40.45
         43 |         55        0.55       41.00
         44 |        129        1.29       42.29
         45 |         74        0.74       43.03
         46 |         76        0.76       43.79
         47 |         91        0.91       44.70
         48 |         99        0.99       45.69
         49 |        150        1.50       47.19
         50 |         93        0.93       48.12
         51 |        107        1.07       49.19
         52 |        156        1.56       50.75
         53 |        102        1.02       51.77
         54 |         99        0.99       52.76
         55 |        106        1.06       53.82
         56 |        111        1.11       54.93
         57 |        120        1.20       56.13
         58 |        148        1.48       57.61
         59 |         89        0.89       58.50
         60 |        106        1.06       59.56
         61 |         74        0.74       60.30
         62 |         55        0.55       60.85
         63 |         44        0.44       61.29
         64 |         99        0.99       62.28
         65 |        114        1.14       63.42
         66 |         96        0.96       64.38
         67 |         89        0.89       65.27
         68 |        113        1.13       66.40
         69 |        116        1.16       67.56
         70 |         92        0.92       68.48
         71 |        102        1.02       69.50
         72 |        105        1.05       70.55
         73 |         67        0.67       71.22
         74 |         21        0.21       71.43
         75 |        117        1.17       72.60
         76 |         89        0.89       73.49
         77 |        116        1.16       74.65
         78 |        103        1.03       75.68
         79 |         78        0.78       76.46
         80 |         99        0.99       77.45
         81 |        159        1.59       79.04
         82 |         91        0.91       79.95
         83 |         97        0.97       80.92
         84 |         71        0.71       81.63
         85 |        109        1.09       82.72
         86 |         83        0.83       83.55
         87 |        100        1.00       84.55
         88 |        132        1.32       85.87
         89 |         52        0.52       86.39
         90 |        129        1.29       87.68
         91 |         75        0.75       88.43
         92 |        117        1.17       89.60
         93 |        112        1.12       90.72
         94 |         41        0.41       91.13
         95 |         77        0.77       91.90
         96 |         99        0.99       92.89
         97 |         83        0.83       93.72
         98 |         88        0.88       94.60
         99 |        102        1.02       95.62
        100 |         93        0.93       96.55
        101 |        107        1.07       97.62
        102 |         96        0.96       98.58
        103 |        111        1.11       99.69
        104 |         31        0.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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