Frequencies for first 10,000 rows of me_attv variable in natlterr2006 dataset :

  Attempted |
 Vacuum RFP |
618=f_md_at |
     tvac R |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,275       62.75       62.75
          N |      3,584       35.84       98.59
          Y |        141        1.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015