Frequencies for first 10,000 rows of hlt_ocparkin variable in mcbsatc2013 datas

  Ever told |
        had |
Parkinson's |
    disease |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |          7        0.07        0.07
         -7 |          1        0.01        0.08
          1 |        141        1.41        1.49
          2 |      9,851       98.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 24 May 2016