Frequencies for pvinmake variable in parkwork dataset :

   vin make |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         52        4.77        4.77
       ACUR |          7        0.64        5.41
       AUDI |          1        0.09        5.50
       BLUI |          1        0.09        5.59
        BMW |         10        0.92        6.51
       BUIC |         12        1.10        7.61
       CADI |         13        1.19        8.80
       CHEV |        138       12.65       21.45
       CHRY |         28        2.57       24.01
       DODG |         74        6.78       30.80
       EGIL |          1        0.09       30.89
       FORD |        188       17.23       48.12
       FRHT |         36        3.30       51.42
        GEO |          1        0.09       51.51
        GMC |         44        4.03       55.55
         HD |          4        0.37       55.91
       HINO |          3        0.27       56.19
       HOND |         57        5.22       61.41
       HUMM |          1        0.09       61.50
       HYUN |         18        1.65       63.15
       INFI |          7        0.64       63.79
       INTL |         37        3.39       67.19
        ISU |          7        0.64       67.83
       JEEP |         26        2.38       70.21
       KAWK |          1        0.09       70.30
        KIA |         16        1.47       71.77
         KW |          9        0.82       72.59
       LEXS |         12        1.10       73.69
       LINC |          6        0.55       74.24
       LNDR |          3        0.27       74.52
       MACK |          6        0.55       75.07
       MAZD |         16        1.47       76.54
       MERC |         13        1.19       77.73
       MERZ |         13        1.19       78.92
       MIFU |          1        0.09       79.01
       MITS |          9        0.82       79.84
       MNNI |          2        0.18       80.02
       NISS |         42        3.85       83.87
       OLDS |          5        0.46       84.33
       PLYM |          5        0.46       84.78
       PONT |         11        1.01       85.79
       PORS |          2        0.18       85.98
       PTRB |         12        1.10       87.08
        SAA |          1        0.09       87.17
       STRG |          3        0.27       87.44
       STRN |          9        0.82       88.27
        STU |          1        0.09       88.36
       SUBA |         11        1.01       89.37
       SUZI |          4        0.37       89.73
       TOYT |         88        8.07       97.80
         UD |          1        0.09       97.89
       VOLK |         12        1.10       98.99
       VOLV |         10        0.92       99.91
       WSTR |          1        0.09      100.00
------------+-----------------------------------
      Total |      1,091      100.00

by Jean Roth , jroth@nber.org , 22 Oct 2016