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

    EVENT 3 |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      5,982       59.82       59.82
          1 |        762        7.62       67.44
          2 |         73        0.73       68.17
          3 |         12        0.12       68.29
          4 |          2        0.02       68.31
          5 |          2        0.02       68.33
          7 |          6        0.06       68.39
          8 |         47        0.47       68.86
          9 |          1        0.01       68.87
         10 |          1        0.01       68.88
         11 |          1        0.01       68.89
         12 |        356        3.56       72.45
         13 |         31        0.31       72.76
         14 |         62        0.62       73.38
         15 |          2        0.02       73.40
         17 |         31        0.31       73.71
         18 |         18        0.18       73.89
         19 |         11        0.11       74.00
         20 |          4        0.04       74.04
         21 |         19        0.19       74.23
         22 |          1        0.01       74.24
         23 |          8        0.08       74.32
         24 |         89        0.89       75.21
         25 |         69        0.69       75.90
         26 |          8        0.08       75.98
         27 |         82        0.82       76.80
         28 |          6        0.06       76.86
         29 |         33        0.33       77.19
         30 |         95        0.95       78.14
         31 |         32        0.32       78.46
         32 |         38        0.38       78.84
         33 |        191        1.91       80.75
         34 |        120        1.20       81.95
         35 |         85        0.85       82.80
         36 |         15        0.15       82.95
         37 |         20        0.20       83.15
         38 |        138        1.38       84.53
         39 |         37        0.37       84.90
         40 |         12        0.12       85.02
         41 |         27        0.27       85.29
         42 |        345        3.45       88.74
         43 |         84        0.84       89.58
         44 |          2        0.02       89.60
         46 |         15        0.15       89.75
         47 |          2        0.02       89.77
         48 |          4        0.04       89.81
         51 |         15        0.15       89.96
         52 |         10        0.10       90.06
         53 |         18        0.18       90.24
         54 |         20        0.20       90.44
         55 |          2        0.02       90.46
         60 |          7        0.07       90.53
         61 |          1        0.01       90.54
         62 |          2        0.02       90.56
         63 |        221        2.21       92.77
         64 |        381        3.81       96.58
         65 |        181        1.81       98.39
         66 |          3        0.03       98.42
         67 |        139        1.39       99.81
         99 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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