Frequencies for first 10,000 rows of whlbs_lg variable in vehicle dataset :

  Wheelbase |
  Long-Auto |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,201       32.01       32.01
        898 |          8        0.08       32.09
        948 |         35        0.35       32.44
        949 |          3        0.03       32.47
        953 |         85        0.85       33.32
        964 |         10        0.10       33.42
        966 |          4        0.04       33.46
        967 |          2        0.02       33.48
        969 |          8        0.08       33.56
        996 |         35        0.35       33.91
       1001 |          1        0.01       33.92
       1099 |         59        0.59       34.51
       1100 |          4        0.04       34.55
       1110 |         19        0.19       34.74
       1125 |          3        0.03       34.77
       1130 |         22        0.22       34.99
       1150 |         11        0.11       35.10
       1160 |        322        3.22       38.32
       1170 |         68        0.68       39.00
       1175 |          9        0.09       39.09
       1180 |         66        0.66       39.75
       1190 |         26        0.26       40.01
       1200 |          1        0.01       40.02
       1210 |          7        0.07       40.09
       1220 |         18        0.18       40.27
       1235 |          1        0.01       40.28
       1240 |         41        0.41       40.69
       1250 |         74        0.74       41.43
       1270 |          6        0.06       41.49
       1315 |          1        0.01       41.50
       1330 |          1        0.01       41.51
       9999 |      4,453       44.53       86.04
          . |      1,396       13.96      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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