Frequencies for first 10,000 rows of prov5675 variable in pos2007 dataset :

 srv: blood |
       bank |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,682       86.82       86.82
          0 |        350        3.50       90.32
          1 |        587        5.87       96.19
          2 |        304        3.04       99.23
          3 |         77        0.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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