Frequencies for first 10,000 rows of hospcode variable in nhamcsed2004 dataset :

   hospital |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         91        0.91        0.91
          2 |         35        0.35        1.26
          3 |         98        0.98        2.24
          4 |        117        1.17        3.41
          5 |        176        1.76        5.17
          6 |        106        1.06        6.23
          7 |         50        0.50        6.73
          8 |         90        0.90        7.63
          9 |         74        0.74        8.37
         10 |        104        1.04        9.41
         11 |        127        1.27       10.68
         12 |        109        1.09       11.77
         13 |         99        0.99       12.76
         14 |         89        0.89       13.65
         15 |         46        0.46       14.11
         16 |        113        1.13       15.24
         17 |        123        1.23       16.47
         18 |        134        1.34       17.81
         19 |        116        1.16       18.97
         20 |        102        1.02       19.99
         21 |         66        0.66       20.65
         22 |         99        0.99       21.64
         23 |        147        1.47       23.11
         24 |        106        1.06       24.17
         25 |        128        1.28       25.45
         26 |        108        1.08       26.53
         27 |         87        0.87       27.40
         28 |        111        1.11       28.51
         29 |         93        0.93       29.44
         30 |         60        0.60       30.04
         31 |         83        0.83       30.87
         32 |        104        1.04       31.91
         33 |        104        1.04       32.95
         34 |         84        0.84       33.79
         35 |         72        0.72       34.51
         36 |        154        1.54       36.05
         37 |         99        0.99       37.04
         38 |        158        1.58       38.62
         39 |        128        1.28       39.90
         40 |        120        1.20       41.10
         41 |        114        1.14       42.24
         42 |        116        1.16       43.40
         43 |         86        0.86       44.26
         44 |        136        1.36       45.62
         45 |        111        1.11       46.73
         46 |        220        2.20       48.93
         47 |        112        1.12       50.05
         48 |        111        1.11       51.16
         49 |         85        0.85       52.01
         50 |        105        1.05       53.06
         51 |         74        0.74       53.80
         52 |        105        1.05       54.85
         53 |        115        1.15       56.00
         54 |         79        0.79       56.79
         55 |        109        1.09       57.88
         56 |         87        0.87       58.75
         57 |        101        1.01       59.76
         58 |        106        1.06       60.82
         59 |         70        0.70       61.52
         60 |         99        0.99       62.51
         61 |         92        0.92       63.43
         62 |        111        1.11       64.54
         63 |         94        0.94       65.48
         64 |         93        0.93       66.41
         65 |        113        1.13       67.54
         66 |        120        1.20       68.74
         67 |         86        0.86       69.60
         68 |         43        0.43       70.03
         69 |         94        0.94       70.97
         70 |         83        0.83       71.80
         71 |        102        1.02       72.82
         72 |        104        1.04       73.86
         73 |        124        1.24       75.10
         74 |        124        1.24       76.34
         75 |         65        0.65       76.99
         76 |        106        1.06       78.05
         77 |        197        1.97       80.02
         78 |        136        1.36       81.38
         79 |         67        0.67       82.05
         80 |         99        0.99       83.04
         81 |         58        0.58       83.62
         82 |         65        0.65       84.27
         83 |        107        1.07       85.34
         84 |        136        1.36       86.70
         85 |        112        1.12       87.82
         86 |         99        0.99       88.81
         87 |        118        1.18       89.99
         88 |         88        0.88       90.87
         89 |        116        1.16       92.03
         90 |         82        0.82       92.85
         91 |        119        1.19       94.04
         92 |        109        1.09       95.13
         93 |         87        0.87       96.00
         94 |         88        0.88       96.88
         95 |         59        0.59       97.47
         96 |        110        1.10       98.57
         97 |        111        1.11       99.68
         98 |         32        0.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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