Frequencies for first 10,000 rows of hlt_d_hbp variable in mcbsatc2013 dataset 

 High blood |
   pressure |
 since last |
       year |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |         47        0.47        0.47
         -7 |          3        0.03        0.50
          1 |      5,113       51.13       51.63
          2 |      4,837       48.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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