Frequencies for first 10,000 rows of fm_strcp variable in familyxx2008 dataset 

     family |
  structure |      Freq.     Percent        Cum.
------------+-----------------------------------
         11 |      2,575       25.75       25.75
         12 |        395        3.95       29.70
         21 |      2,041       20.41       50.11
         22 |        305        3.05       53.16
         23 |      1,177       11.77       64.93
         31 |        520        5.20       70.13
         32 |         73        0.73       70.86
         33 |         38        0.38       71.24
         41 |      1,582       15.82       87.06
         42 |        222        2.22       89.28
         43 |        113        1.13       90.41
         44 |        821        8.21       98.62
         45 |        130        1.30       99.92
         99 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 May 2016