Frequencies for first 10,000 rows of seq4 variable in vehicle dataset :

    EVENT 4 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,955       79.55       79.55
          1 |        479        4.79       84.34
          2 |         81        0.81       85.15
          3 |         18        0.18       85.33
          7 |          1        0.01       85.34
          8 |         41        0.41       85.75
         12 |         93        0.93       86.68
         13 |         20        0.20       86.88
         14 |         39        0.39       87.27
         17 |         15        0.15       87.42
         18 |          7        0.07       87.49
         19 |         14        0.14       87.63
         21 |          7        0.07       87.70
         22 |          1        0.01       87.71
         23 |          9        0.09       87.80
         24 |         46        0.46       88.26
         25 |         30        0.30       88.56
         26 |          3        0.03       88.59
         27 |         38        0.38       88.97
         29 |         20        0.20       89.17
         30 |         51        0.51       89.68
         31 |         20        0.20       89.88
         32 |         11        0.11       89.99
         33 |         31        0.31       90.30
         34 |         74        0.74       91.04
         35 |         51        0.51       91.55
         36 |          5        0.05       91.60
         37 |          9        0.09       91.69
         38 |        107        1.07       92.76
         39 |         21        0.21       92.97
         40 |          5        0.05       93.02
         41 |         13        0.13       93.15
         42 |        274        2.74       95.89
         43 |         38        0.38       96.27
         44 |          1        0.01       96.28
         46 |         12        0.12       96.40
         47 |          1        0.01       96.41
         51 |          2        0.02       96.43
         52 |          4        0.04       96.47
         53 |         11        0.11       96.58
         54 |         14        0.14       96.72
         60 |          5        0.05       96.77
         61 |          1        0.01       96.78
         62 |          3        0.03       96.81
         63 |         59        0.59       97.40
         64 |         74        0.74       98.14
         65 |         31        0.31       98.45
         66 |          3        0.03       98.48
         67 |        108        1.08       99.56
         99 |         44        0.44      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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