Frequencies for first 10,000 rows of seq5 variable in vehicle dataset :

    EVENT 5 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,947       89.47       89.47
          1 |        288        2.88       92.35
          2 |         45        0.45       92.80
          3 |         22        0.22       93.02
          8 |         16        0.16       93.18
          9 |          1        0.01       93.19
         12 |         36        0.36       93.55
         13 |         18        0.18       93.73
         14 |         27        0.27       94.00
         17 |          5        0.05       94.05
         18 |          2        0.02       94.07
         19 |          8        0.08       94.15
         20 |          2        0.02       94.17
         21 |          6        0.06       94.23
         23 |          5        0.05       94.28
         24 |         11        0.11       94.39
         25 |         11        0.11       94.50
         27 |         10        0.10       94.60
         29 |          6        0.06       94.66
         30 |         33        0.33       94.99
         31 |          8        0.08       95.07
         32 |          5        0.05       95.12
         33 |         11        0.11       95.23
         34 |         14        0.14       95.37
         35 |         36        0.36       95.73
         36 |          5        0.05       95.78
         37 |         10        0.10       95.88
         38 |         65        0.65       96.53
         39 |         21        0.21       96.74
         40 |          3        0.03       96.77
         41 |          9        0.09       96.86
         42 |        140        1.40       98.26
         43 |         30        0.30       98.56
         46 |          3        0.03       98.59
         47 |          1        0.01       98.60
         50 |          1        0.01       98.61
         52 |          2        0.02       98.63
         53 |          6        0.06       98.69
         54 |         14        0.14       98.83
         60 |          2        0.02       98.85
         62 |          4        0.04       98.89
         63 |         11        0.11       99.00
         64 |         21        0.21       99.21
         65 |         12        0.12       99.33
         66 |          3        0.03       99.36
         67 |         20        0.20       99.56
         99 |         44        0.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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