Frequencies for model variable in vehnit dataset :

      model |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         24        1.72        1.72
          2 |         24        1.72        3.45
          3 |         18        1.29        4.74
          4 |          9        0.65        5.38
          5 |          5        0.36        5.74
          6 |          5        0.36        6.10
          7 |         10        0.72        6.82
          8 |          1        0.07        6.89
          9 |          8        0.57        7.47
         10 |          2        0.14        7.61
         12 |          1        0.07        7.68
         13 |          6        0.43        8.11
         15 |          3        0.22        8.33
         16 |         42        3.02       11.34
         17 |         24        1.72       13.07
         18 |         11        0.79       13.85
         19 |          5        0.36       14.21
         20 |         31        2.23       16.44
         21 |          5        0.36       16.80
         22 |          7        0.50       17.30
         23 |          1        0.07       17.37
         24 |          1        0.07       17.44
         31 |         28        2.01       19.45
         32 |         56        4.02       23.47
         33 |          6        0.43       23.91
         34 |         32        2.30       26.20
         35 |         22        1.58       27.78
         36 |          8        0.57       28.36
         37 |         23        1.65       30.01
         38 |          7        0.50       30.51
         39 |         11        0.79       31.30
         40 |         29        2.08       33.38
         41 |          7        0.50       33.88
         42 |         12        0.86       34.75
         43 |         28        2.01       36.76
         44 |          2        0.14       36.90
         45 |          4        0.29       37.19
         46 |          9        0.65       37.83
         47 |         15        1.08       38.91
         49 |          1        0.07       38.98
         50 |          5        0.36       39.34
         51 |          1        0.07       39.41
         52 |          1        0.07       39.48
         54 |          1        0.07       39.55
        398 |          2        0.14       39.70
        399 |         10        0.72       40.42
        401 |         89        6.39       46.81
        402 |         19        1.36       48.17
        403 |          6        0.43       48.60
        404 |         21        1.51       50.11
        405 |          4        0.29       50.39
        421 |         26        1.87       52.26
        422 |         18        1.29       53.55
        431 |         19        1.36       54.92
        441 |         26        1.87       56.78
        442 |         58        4.16       60.95
        443 |         13        0.93       61.88
        461 |         48        3.45       65.33
        466 |          3        0.22       65.54
        470 |          1        0.07       65.61
        471 |         40        2.87       68.49
        472 |         19        1.36       69.85
        481 |        125        8.97       78.82
        482 |         25        1.79       80.62
        498 |          3        0.22       80.83
        499 |          6        0.43       81.26
        705 |          1        0.07       81.34
        706 |          4        0.29       81.62
        709 |          5        0.36       81.98
        734 |          1        0.07       82.05
        804 |          1        0.07       82.12
        808 |          2        0.14       82.27
        850 |          3        0.22       82.48
        880 |          1        0.07       82.56
        881 |        153       10.98       93.54
        882 |         12        0.86       94.40
        883 |          4        0.29       94.69
        884 |         20        1.44       96.12
        898 |          5        0.36       96.48
        899 |          8        0.57       97.06
        907 |          1        0.07       97.13
        981 |          5        0.36       97.49
        998 |         20        1.44       98.92
        999 |         15        1.08      100.00
------------+-----------------------------------
      Total |      1,393      100.00

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