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

    Problem |
 with heart |
     rhythm |
 since last |
         yr |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |         70        0.70        0.70
         -7 |          5        0.05        0.75
          1 |        838        8.38        9.13
          2 |      9,087       90.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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