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

    EVENT 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,875       58.75       58.75
          1 |        822        8.22       66.97
          2 |         81        0.81       67.78
          3 |         19        0.19       67.97
          5 |         24        0.24       68.21
          7 |          8        0.08       68.29
          8 |         54        0.54       68.83
          9 |          3        0.03       68.86
         12 |        329        3.29       72.15
         13 |         29        0.29       72.44
         14 |         65        0.65       73.09
         17 |         18        0.18       73.27
         18 |         14        0.14       73.41
         19 |         14        0.14       73.55
         20 |          2        0.02       73.57
         21 |         10        0.10       73.67
         22 |          3        0.03       73.70
         23 |         14        0.14       73.84
         24 |        114        1.14       74.98
         25 |         66        0.66       75.64
         26 |          3        0.03       75.67
         27 |         96        0.96       76.63
         28 |          4        0.04       76.67
         29 |         35        0.35       77.02
         30 |         84        0.84       77.86
         31 |         43        0.43       78.29
         32 |         44        0.44       78.73
         33 |        177        1.77       80.50
         34 |        126        1.26       81.76
         35 |         86        0.86       82.62
         36 |         15        0.15       82.77
         37 |         19        0.19       82.96
         38 |        152        1.52       84.48
         39 |         49        0.49       84.97
         40 |          7        0.07       85.04
         41 |         24        0.24       85.28
         42 |        353        3.53       88.81
         43 |         69        0.69       89.50
         46 |         20        0.20       89.70
         47 |          1        0.01       89.71
         48 |          4        0.04       89.75
         51 |         10        0.10       89.85
         52 |         10        0.10       89.95
         53 |         15        0.15       90.10
         54 |         18        0.18       90.28
         57 |          3        0.03       90.31
         60 |          6        0.06       90.37
         61 |          1        0.01       90.38
         62 |          5        0.05       90.43
         63 |        239        2.39       92.82
         64 |        385        3.85       96.67
         65 |        176        1.76       98.43
         67 |        137        1.37       99.80
         99 |         20        0.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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