Frequencies for mcarr_i1 variable in vehnit dataset :

       MCID |
    ISSUING |
  AUTHORITY |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,069       84.04       84.04
          1 |          1        0.08       84.12
          6 |         11        0.86       84.98
          9 |          2        0.16       85.14
         12 |         15        1.18       86.32
         17 |          1        0.08       86.40
         26 |          1        0.08       86.48
         32 |          2        0.16       86.64
         42 |          1        0.08       86.71
         48 |          6        0.47       87.19
         57 |        100        7.86       95.05
         58 |          2        0.16       95.20
         88 |         29        2.28       97.48
         99 |         32        2.52      100.00
------------+-----------------------------------
      Total |      1,272      100.00

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