Frequencies for first 10,000 rows of hospcode variable in nhamcsed2009 dataset :

   hospital |
     number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        118        1.18        1.18
          2 |         93        0.93        2.11
          3 |         98        0.98        3.09
          4 |        108        1.08        4.17
          5 |        118        1.18        5.35
          6 |        103        1.03        6.38
          7 |        135        1.35        7.73
          8 |        118        1.18        8.91
          9 |        113        1.13       10.04
         10 |         93        0.93       10.97
         11 |         85        0.85       11.82
         12 |         92        0.92       12.74
         13 |        104        1.04       13.78
         14 |        218        2.18       15.96
         15 |        104        1.04       17.00
         16 |        112        1.12       18.12
         17 |         32        0.32       18.44
         18 |         89        0.89       19.33
         19 |         80        0.80       20.13
         20 |        115        1.15       21.28
         21 |        112        1.12       22.40
         22 |        124        1.24       23.64
         23 |         88        0.88       24.52
         24 |        102        1.02       25.54
         25 |        115        1.15       26.69
         26 |         94        0.94       27.63
         27 |         81        0.81       28.44
         28 |         52        0.52       28.96
         29 |        208        2.08       31.04
         30 |        118        1.18       32.22
         31 |        154        1.54       33.76
         32 |        126        1.26       35.02
         33 |         99        0.99       36.01
         34 |        103        1.03       37.04
         35 |        117        1.17       38.21
         36 |        131        1.31       39.52
         37 |        226        2.26       41.78
         38 |        104        1.04       42.82
         39 |        101        1.01       43.83
         40 |         97        0.97       44.80
         41 |         90        0.90       45.70
         42 |        121        1.21       46.91
         43 |        107        1.07       47.98
         44 |         88        0.88       48.86
         45 |        130        1.30       50.16
         46 |         96        0.96       51.12
         47 |        140        1.40       52.52
         48 |         83        0.83       53.35
         49 |         72        0.72       54.07
         50 |        104        1.04       55.11
         51 |         94        0.94       56.05
         52 |         99        0.99       57.04
         53 |        113        1.13       58.17
         54 |        101        1.01       59.18
         55 |        100        1.00       60.18
         56 |        101        1.01       61.19
         57 |         47        0.47       61.66
         58 |        109        1.09       62.75
         59 |        141        1.41       64.16
         60 |        105        1.05       65.21
         61 |        107        1.07       66.28
         62 |         91        0.91       67.19
         63 |        117        1.17       68.36
         64 |        102        1.02       69.38
         65 |        128        1.28       70.66
         66 |         42        0.42       71.08
         67 |         92        0.92       72.00
         68 |        116        1.16       73.16
         69 |         65        0.65       73.81
         70 |         99        0.99       74.80
         71 |         42        0.42       75.22
         72 |         98        0.98       76.20
         73 |         93        0.93       77.13
         74 |        178        1.78       78.91
         75 |        104        1.04       79.95
         76 |        118        1.18       81.13
         77 |         82        0.82       81.95
         78 |        198        1.98       83.93
         79 |        105        1.05       84.98
         80 |         91        0.91       85.89
         81 |        139        1.39       87.28
         82 |        100        1.00       88.28
         83 |        114        1.14       89.42
         84 |        116        1.16       90.58
         85 |        113        1.13       91.71
         86 |        111        1.11       92.82
         87 |        109        1.09       93.91
         88 |        100        1.00       94.91
         89 |         88        0.88       95.79
         90 |        116        1.16       96.95
         91 |         98        0.98       97.93
         92 |        112        1.12       99.05
         93 |         72        0.72       99.77
         94 |         23        0.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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