Frequencies for first 10,000 rows of seq6 variable in vehicle dataset :

    EVENT 6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,385       93.85       93.85
          1 |        171        1.71       95.56
          2 |         61        0.61       96.17
          3 |         20        0.20       96.37
          5 |         18        0.18       96.55
          7 |          1        0.01       96.56
          8 |          3        0.03       96.59
         12 |         25        0.25       96.84
         13 |          6        0.06       96.90
         14 |         15        0.15       97.05
         17 |          2        0.02       97.07
         18 |          2        0.02       97.09
         19 |         12        0.12       97.21
         21 |          2        0.02       97.23
         23 |          1        0.01       97.24
         24 |          6        0.06       97.30
         25 |          8        0.08       97.38
         27 |          4        0.04       97.42
         28 |          1        0.01       97.43
         29 |          7        0.07       97.50
         30 |         10        0.10       97.60
         31 |          5        0.05       97.65
         32 |          2        0.02       97.67
         33 |          1        0.01       97.68
         34 |         13        0.13       97.81
         35 |          6        0.06       97.87
         36 |          2        0.02       97.89
         37 |          1        0.01       97.90
         38 |         46        0.46       98.36
         39 |         11        0.11       98.47
         41 |          1        0.01       98.48
         42 |         81        0.81       99.29
         43 |         15        0.15       99.44
         46 |          4        0.04       99.48
         51 |          2        0.02       99.50
         53 |          1        0.01       99.51
         54 |          9        0.09       99.60
         60 |          1        0.01       99.61
         62 |          2        0.02       99.63
         63 |          6        0.06       99.69
         64 |          6        0.06       99.75
         65 |          1        0.01       99.76
         67 |          4        0.04       99.80
         99 |         20        0.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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