Frequencies for mcarr_i1 variable in vehnit dataset :

       MCID |
    ISSUING |
  AUTHORITY |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        940       84.23       84.23
          2 |          1        0.09       84.32
          6 |          9        0.81       85.13
          8 |          1        0.09       85.22
         10 |          1        0.09       85.30
         12 |         10        0.90       86.20
         15 |          1        0.09       86.29
         48 |          1        0.09       86.38
         51 |          2        0.18       86.56
         57 |         89        7.97       94.53
         58 |          2        0.18       94.71
         88 |         27        2.42       97.13
         99 |         32        2.87      100.00
------------+-----------------------------------
      Total |      1,116      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016