Frequencies for first 10,000 rows of prov2340 variable in pos1998 dataset :

 srv: other |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,565       75.65       75.65
          0 |      1,256       12.56       88.21
          1 |        446        4.46       92.67
          2 |        133        1.33       94.00
          3 |         16        0.16       94.16
          N |        396        3.96       98.12
          Y |        188        1.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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