Frequencies for first 10,000 rows of hospcode variable in nhamcsopd2008 dataset :

   hospital |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        186        1.86        1.86
          2 |        275        2.75        4.61
          3 |        110        1.10        5.71
          4 |        309        3.09        8.80
          5 |        107        1.07        9.87
          6 |        153        1.53       11.40
          7 |         36        0.36       11.76
          8 |        275        2.75       14.51
          9 |        390        3.90       18.41
         10 |         34        0.34       18.75
         11 |        291        2.91       21.66
         12 |        280        2.80       24.46
         13 |        130        1.30       25.76
         14 |        290        2.90       28.66
         15 |        112        1.12       29.78
         16 |        122        1.22       31.00
         17 |        283        2.83       33.83
         18 |        182        1.82       35.65
         19 |        190        1.90       37.55
         20 |         91        0.91       38.46
         21 |        204        2.04       40.50
         22 |        140        1.40       41.90
         23 |        294        2.94       44.84
         24 |         86        0.86       45.70
         25 |        188        1.88       47.58
         26 |        237        2.37       49.95
         27 |        440        4.40       54.35
         28 |        152        1.52       55.87
         29 |        111        1.11       56.98
         30 |        183        1.83       58.81
         31 |         96        0.96       59.77
         32 |        142        1.42       61.19
         33 |        180        1.80       62.99
         34 |        310        3.10       66.09
         35 |         61        0.61       66.70
         36 |        353        3.53       70.23
         37 |        310        3.10       73.33
         38 |        216        2.16       75.49
         39 |        162        1.62       77.11
         40 |        161        1.61       78.72
         41 |        103        1.03       79.75
         42 |         89        0.89       80.64
         43 |         52        0.52       81.16
         44 |         81        0.81       81.97
         45 |        362        3.62       85.59
         46 |        155        1.55       87.14
         47 |        229        2.29       89.43
         48 |         39        0.39       89.82
         49 |        138        1.38       91.20
         50 |        155        1.55       92.75
         51 |         79        0.79       93.54
         52 |        156        1.56       95.10
         53 |        200        2.00       97.10
         54 |        185        1.85       98.95
         55 |        105        1.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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