Frequencies for first 10,000 rows of prov2340 variable in pos1996 dataset :

 srv: other |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,662       76.62       76.62
          0 |      1,228       12.28       88.90
          1 |        485        4.85       93.75
          2 |        113        1.13       94.88
          3 |          9        0.09       94.97
          N |        373        3.73       98.70
          Y |        130        1.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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