Frequencies for first 10,000 rows of seq3 variable in vehicle dataset :

    EVENT 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      6,307       63.07       63.07
          1 |        708        7.08       70.15
          2 |         89        0.89       71.04
          3 |         15        0.15       71.19
          5 |          1        0.01       71.20
          6 |          1        0.01       71.21
          7 |          3        0.03       71.24
          8 |         45        0.45       71.69
          9 |          2        0.02       71.71
         10 |          1        0.01       71.72
         12 |        307        3.07       74.79
         13 |         24        0.24       75.03
         14 |         69        0.69       75.72
         15 |          1        0.01       75.73
         17 |         14        0.14       75.87
         18 |         13        0.13       76.00
         19 |          9        0.09       76.09
         20 |          1        0.01       76.10
         21 |         11        0.11       76.21
         22 |          2        0.02       76.23
         23 |         16        0.16       76.39
         24 |         85        0.85       77.24
         25 |         65        0.65       77.89
         26 |          2        0.02       77.91
         27 |         57        0.57       78.48
         28 |          2        0.02       78.50
         29 |         31        0.31       78.81
         30 |         89        0.89       79.70
         31 |         41        0.41       80.11
         32 |         35        0.35       80.46
         33 |        125        1.25       81.71
         34 |        101        1.01       82.72
         35 |         93        0.93       83.65
         36 |         18        0.18       83.83
         37 |         29        0.29       84.12
         38 |        139        1.39       85.51
         39 |         36        0.36       85.87
         40 |          4        0.04       85.91
         41 |         31        0.31       86.22
         42 |        356        3.56       89.78
         43 |         65        0.65       90.43
         44 |          1        0.01       90.44
         46 |         28        0.28       90.72
         47 |          4        0.04       90.76
         48 |          2        0.02       90.78
         51 |         11        0.11       90.89
         52 |          3        0.03       90.92
         53 |         13        0.13       91.05
         54 |         30        0.30       91.35
         60 |          6        0.06       91.41
         61 |          3        0.03       91.44
         62 |          6        0.06       91.50
         63 |        201        2.01       93.51
         64 |        317        3.17       96.68
         65 |        140        1.40       98.08
         66 |          5        0.05       98.13
         67 |        145        1.45       99.58
         99 |         42        0.42      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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