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

     Doctor |
     checks |
 everything |
       when |
  examining |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |         47        0.47        0.47
         -7 |          2        0.02        0.49
          1 |      4,133       41.33       41.82
          2 |      4,565       45.65       87.47
          3 |        440        4.40       91.87
          4 |         53        0.53       92.40
          5 |         52        0.52       92.92
          . |        708        7.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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