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

    EVENT 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        737        7.37        7.37
          2 |         65        0.65        8.02
          3 |         23        0.23        8.25
          4 |          1        0.01        8.26
          5 |          3        0.03        8.29
          7 |          4        0.04        8.33
          8 |         40        0.40        8.73
          9 |          3        0.03        8.76
         10 |          2        0.02        8.78
         11 |          1        0.01        8.79
         12 |        335        3.35       12.14
         13 |         51        0.51       12.65
         14 |         61        0.61       13.26
         15 |          1        0.01       13.27
         17 |         14        0.14       13.41
         18 |          6        0.06       13.47
         19 |         15        0.15       13.62
         21 |         17        0.17       13.79
         22 |          4        0.04       13.83
         23 |         13        0.13       13.96
         24 |         88        0.88       14.84
         25 |         55        0.55       15.39
         26 |          2        0.02       15.41
         27 |         69        0.69       16.10
         28 |          1        0.01       16.11
         29 |         36        0.36       16.47
         30 |         79        0.79       17.26
         31 |         27        0.27       17.53
         32 |         36        0.36       17.89
         33 |        108        1.08       18.97
         34 |        102        1.02       19.99
         35 |         75        0.75       20.74
         36 |         10        0.10       20.84
         37 |         21        0.21       21.05
         38 |        117        1.17       22.22
         39 |         38        0.38       22.60
         40 |          6        0.06       22.66
         41 |         30        0.30       22.96
         42 |        321        3.21       26.17
         43 |         77        0.77       26.94
         46 |         20        0.20       27.14
         47 |          2        0.02       27.16
         51 |         10        0.10       27.26
         52 |         10        0.10       27.36
         53 |         21        0.21       27.57
         54 |          3        0.03       27.60
         60 |          4        0.04       27.64
         61 |          4        0.04       27.68
         62 |          3        0.03       27.71
         63 |        215        2.15       29.86
         64 |        325        3.25       33.11
         65 |        143        1.43       34.54
         66 |         12        0.12       34.66
         67 |        129        1.29       35.95
         99 |      6,405       64.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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