Frequencies for b_1_c21_95 variable in hcris2552_10_2010 dataset :

  ambulance |
   services |
    b000001 |
09500 02100 |      Freq.     Percent        Cum.
------------+-----------------------------------
       8457 |          1        0.04        0.04
      13956 |          1        0.04        0.09
      16022 |          1        0.04        0.13
      26439 |          1        0.04        0.17
      61445 |          1        0.04        0.22
     161278 |          1        0.04        0.26
          . |      2,316       99.74      100.00
------------+-----------------------------------
      Total |      2,322      100.00

by Jean Roth , jroth@nber.org , 23 Aug 2018