Frequencies for first 10,000 rows of prov2400 variable in pos1995 dataset :

      spec: |
    plastic |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,552       95.52       95.52
          N |        205        2.05       97.57
          Y |        243        2.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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