Frequencies for first 10,000 rows of hospcode variable in nhamcsopd1992 dataset :

   Hospital |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          4 |        136        1.36        1.36
          6 |         23        0.23        1.59
         12 |        146        1.46        3.05
         13 |        119        1.19        4.24
         16 |        179        1.79        6.03
         17 |        138        1.38        7.41
         19 |         13        0.13        7.54
         20 |        119        1.19        8.73
         22 |        150        1.50       10.23
         28 |         92        0.92       11.15
         40 |        154        1.54       12.69
         44 |        168        1.68       14.37
         54 |        195        1.95       16.32
         58 |        158        1.58       17.90
         59 |        120        1.20       19.10
         61 |         27        0.27       19.37
         62 |        157        1.57       20.94
         67 |        112        1.12       22.06
         71 |        162        1.62       23.68
         75 |         57        0.57       24.25
         79 |        109        1.09       25.34
         80 |         18        0.18       25.52
         81 |        191        1.91       27.43
         85 |        143        1.43       28.86
         86 |        138        1.38       30.24
         90 |        129        1.29       31.53
        116 |        110        1.10       32.63
        121 |        287        2.87       35.50
        129 |        134        1.34       36.84
        134 |        262        2.62       39.46
        136 |         68        0.68       40.14
        138 |        154        1.54       41.68
        142 |        156        1.56       43.24
        145 |         46        0.46       43.70
        146 |        182        1.82       45.52
        147 |        163        1.63       47.15
        154 |        195        1.95       49.10
        160 |        144        1.44       50.54
        162 |        147        1.47       52.01
        167 |        165        1.65       53.66
        168 |         21        0.21       53.87
        171 |        111        1.11       54.98
        177 |        205        2.05       57.03
        183 |        132        1.32       58.35
        185 |        150        1.50       59.85
        186 |         59        0.59       60.44
        191 |        296        2.96       63.40
        193 |        201        2.01       65.41
        196 |         81        0.81       66.22
        198 |        161        1.61       67.83
        201 |        187        1.87       69.70
        202 |        117        1.17       70.87
        208 |        173        1.73       72.60
        210 |        490        4.90       77.50
        211 |        115        1.15       78.65
        212 |         80        0.80       79.45
        213 |        250        2.50       81.95
        215 |         70        0.70       82.65
        217 |         24        0.24       82.89
        218 |        131        1.31       84.20
        221 |         46        0.46       84.66
        222 |        219        2.19       86.85
        227 |        149        1.49       88.34
        229 |        157        1.57       89.91
        232 |        157        1.57       91.48
        236 |        100        1.00       92.48
        239 |        217        2.17       94.65
        240 |        165        1.65       96.30
        243 |        164        1.64       97.94
        244 |        206        2.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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