Frequencies for first 10,000 rows of prov0605 variable in posclia2008 dataset :

intermediar |
   y number |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,534       95.34       95.34
      00000 |         76        0.76       96.10
      01030 |        376        3.76       99.86
      01360 |          1        0.01       99.87
      03001 |         11        0.11       99.98
      03102 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016