Frequencies for first 10,000 rows of prov2215 variable in pos1998 dataset :

  srv: long |
  term care |
       unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,805       88.05       88.05
          0 |        878        8.78       96.83
          1 |        271        2.71       99.54
          2 |         37        0.37       99.91
          3 |          9        0.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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