Frequencies for model variable in vehnit dataset :

      model |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         15        1.01        1.01
          2 |         27        1.82        2.84
          3 |         27        1.82        4.66
          4 |          8        0.54        5.20
          5 |          7        0.47        5.67
          6 |          8        0.54        6.21
          7 |          7        0.47        6.68
          8 |          1        0.07        6.75
          9 |          4        0.27        7.02
         10 |          5        0.34        7.36
         11 |          1        0.07        7.43
         12 |          1        0.07        7.49
         13 |          9        0.61        8.10
         14 |          4        0.27        8.37
         15 |          3        0.20        8.58
         16 |         38        2.57       11.14
         17 |         30        2.03       13.17
         18 |         13        0.88       14.04
         19 |         10        0.68       14.72
         20 |         23        1.55       16.27
         21 |          4        0.27       16.54
         22 |          1        0.07       16.61
         23 |          1        0.07       16.68
         31 |         34        2.30       18.97
         32 |         68        4.59       23.57
         33 |          5        0.34       23.90
         34 |         30        2.03       25.93
         35 |         23        1.55       27.48
         36 |          9        0.61       28.09
         37 |         28        1.89       29.98
         38 |         12        0.81       30.79
         39 |          8        0.54       31.33
         40 |         40        2.70       34.03
         41 |          7        0.47       34.50
         42 |          5        0.34       34.84
         43 |         20        1.35       36.19
         44 |          4        0.27       36.46
         45 |          2        0.14       36.60
         46 |          5        0.34       36.93
         47 |         18        1.22       38.15
         48 |          2        0.14       38.28
         51 |          1        0.07       38.35
         52 |          4        0.27       38.62
         54 |          1        0.07       38.69
        398 |          2        0.14       38.83
        399 |         25        1.69       40.51
        401 |         67        4.52       45.04
        402 |         22        1.49       46.52
        403 |         11        0.74       47.27
        404 |         18        1.22       48.48
        405 |          2        0.14       48.62
        421 |         25        1.69       50.30
        422 |         10        0.68       50.98
        423 |          2        0.14       51.11
        431 |         14        0.95       52.06
        441 |         23        1.55       53.61
        442 |         48        3.24       56.85
        443 |          9        0.61       57.46
        461 |         51        3.44       60.90
        466 |          1        0.07       60.97
        471 |         48        3.24       64.21
        472 |         24        1.62       65.83
        473 |          1        0.07       65.90
        481 |        174       11.75       77.65
        482 |         33        2.23       79.88
        498 |          1        0.07       79.95
        499 |          6        0.41       80.35
        703 |          1        0.07       80.42
        706 |          3        0.20       80.62
        709 |          1        0.07       80.69
        804 |          1        0.07       80.76
        805 |          1        0.07       80.82
        806 |          2        0.14       80.96
        808 |          3        0.20       81.16
        809 |          5        0.34       81.50
        850 |          5        0.34       81.84
        880 |          3        0.20       82.04
        881 |        173       11.68       93.72
        882 |          8        0.54       94.26
        883 |          3        0.20       94.46
        884 |         19        1.28       95.75
        898 |          7        0.47       96.22
        899 |          6        0.41       96.62
        908 |          1        0.07       96.69
        981 |          6        0.41       97.10
        982 |          1        0.07       97.16
        998 |         13        0.88       98.04
        999 |         29        1.96      100.00
------------+-----------------------------------
      Total |      1,481      100.00

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