Frequencies for first 10,000 rows of prov2470 variable in pos2003 dataset :

  srv: self |
  care unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,789       87.89       87.89
          0 |      1,192       11.92       99.81
          1 |          6        0.06       99.87
          2 |          9        0.09       99.96
          3 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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