Frequencies for first 10,000 rows of prov2340 variable in pos1999 dataset :

 srv: other |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,509       75.09       75.09
          0 |      1,269       12.69       87.78
          1 |        445        4.45       92.23
          2 |        135        1.35       93.58
          3 |         14        0.14       93.72
          N |        423        4.23       97.95
          Y |        205        2.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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