Frequencies for num_auto variable in fmli132 dataset :

   num_auto |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,621       38.76       38.76
          1 |      2,938       43.45       82.21
          2 |        943       13.95       96.15
          3 |        196        2.90       99.05
          4 |         49        0.72       99.78
          5 |          9        0.13       99.91
          6 |          4        0.06       99.97
          7 |          1        0.01       99.99
          9 |          1        0.01      100.00
------------+-----------------------------------
      Total |      6,762      100.00

by Jean Roth , jroth@nber.org , 17 Mar 2016