Frequencies for first 10,000 rows of clia_id_number_2 variable in pos1994 dataset :

clia - hosp |
  lab id #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,953       99.53       99.53
 01D0026562 |          1        0.01       99.54
 01D0026746 |          1        0.01       99.55
 01D0300244 |          1        0.01       99.56
 01D0302100 |          1        0.01       99.57
 01D0303925 |          1        0.01       99.58
 01D0305079 |          1        0.01       99.59
 01D0306209 |          1        0.01       99.60
 01D0641601 |          1        0.01       99.61
 01D0641733 |          1        0.01       99.62
 01D0666323 |          1        0.01       99.63
 01D0670622 |          1        0.01       99.64
 01D0673149 |          1        0.01       99.65
 01D0674779 |          1        0.01       99.66
 01D0684441 |          1        0.01       99.67
 01D0686260 |          1        0.01       99.68
 01D0687851 |          1        0.01       99.69
 01D0689445 |          1        0.01       99.70
 01D0689970 |          1        0.01       99.71
 01D0693090 |          1        0.01       99.72
 01D0694066 |          1        0.01       99.73
 01D0694301 |          1        0.01       99.74
 01D0697771 |          1        0.01       99.75
 01D0698967 |          1        0.01       99.76
 01D0699192 |          1        0.01       99.77
 01D0708698 |          1        0.01       99.78
 01D0719875 |          1        0.01       99.79
 01D0857317 |          1        0.01       99.80
 01D0859413 |          1        0.01       99.81
 01D0862373 |          1        0.01       99.82
 01D0887561 |          1        0.01       99.83
 01D0892098 |          1        0.01       99.84
 03D0698698 |          1        0.01       99.85
 04D0049651 |          1        0.01       99.86
 04D0672354 |          1        0.01       99.87
 04D0673824 |          1        0.01       99.88
 04D0680876 |          1        0.01       99.89
 04D0865608 |          1        0.01       99.90
 05D0548156 |          1        0.01       99.91
 05D0667432 |          1        0.01       99.92
 05D0684693 |          1        0.01       99.93
 05D0692972 |          1        0.01       99.94
 05D0693518 |          1        0.01       99.95
 05D0720538 |          1        0.01       99.96
 05D0722028 |          1        0.01       99.97
 05D0860255 |          1        0.01       99.98
 05D0875976 |          1        0.01       99.99
 05D0879141 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017