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

  Residence |
  has ramps |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |         21        0.21        0.21
         -7 |          2        0.02        0.23
          1 |      1,225       12.25       12.48
          2 |      8,752       87.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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