Frequencies for first 10,000 rows of prov5675 variable in pos2001 dataset :

 srv: blood |
       bank |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,837       88.37       88.37
          0 |        314        3.14       91.51
          1 |        522        5.22       96.73
          2 |        276        2.76       99.49
          3 |         51        0.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016