Frequencies for first 10,000 rows of clia_id_number_4 variable in pos2000 dataset :

clia - hosp |
  lab id #4 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,987       99.87       99.87
 01D0674780 |          1        0.01       99.88
 01D0690066 |          1        0.01       99.89
 01D0690445 |          1        0.01       99.90
 01D0882294 |          1        0.01       99.91
 01D0924325 |          1        0.01       99.92
 03D0526219 |          1        0.01       99.93
 04D0871639 |          1        0.01       99.94
 04D0874017 |          1        0.01       99.95
 04D0913254 |          1        0.01       99.96
 05D0684535 |          1        0.01       99.97
 05D0699147 |          1        0.01       99.98
 05D0875586 |          1        0.01       99.99
 05D0887243 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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