Frequencies for first 10,000 rows of prov0060 variable in pos1995 dataset :

alcohol/dru |
     g unit |
termination |
       date |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,909       99.09       99.09
     840701 |          1        0.01       99.10
     840802 |          1        0.01       99.11
     840809 |          1        0.01       99.12
     850101 |          1        0.01       99.13
     850124 |          1        0.01       99.14
     850208 |          1        0.01       99.15
     850301 |          1        0.01       99.16
     850630 |          1        0.01       99.17
     850701 |          1        0.01       99.18
     850901 |          1        0.01       99.19
     851231 |          1        0.01       99.20
     860416 |          1        0.01       99.21
     860701 |          1        0.01       99.22
     861001 |          1        0.01       99.23
     870101 |          1        0.01       99.24
     870630 |          1        0.01       99.25
     870701 |          2        0.02       99.27
     870801 |          1        0.01       99.28
     870930 |          4        0.04       99.32
     871001 |          3        0.03       99.35
     871130 |          1        0.01       99.36
     871226 |          1        0.01       99.37
     871231 |         13        0.13       99.50
     880101 |          1        0.01       99.51
     880131 |          1        0.01       99.52
     880331 |          3        0.03       99.55
     880430 |          3        0.03       99.58
     880531 |         10        0.10       99.68
     880618 |          1        0.01       99.69
     880626 |          1        0.01       99.70
     880630 |         28        0.28       99.98
     880831 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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