Frequencies for first 10,000 rows of plstc_srgry_sw variable in pos2010 dataset :

      SPEC: |
    PLASTIC |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,632       96.32       96.32
          N |        215        2.15       98.47
          Y |        153        1.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017