Frequencies for first 10,000 rows of prov5675 variable in pos2000 dataset :

 srv: blood |
       bank |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,871       88.71       88.71
          0 |        299        2.99       91.70
          1 |        510        5.10       96.80
          2 |        267        2.67       99.47
          3 |         53        0.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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