Frequencies for first 10,000 rows of prov1710 variable in pos1993 dataset :

psychiatric |
       unit |
termination |
       date |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,955       99.55       99.55
     850701 |          2        0.02       99.57
     850923 |          1        0.01       99.58
     851201 |          1        0.01       99.59
     851224 |          1        0.01       99.60
     860701 |          3        0.03       99.63
     880101 |          2        0.02       99.65
     880201 |          1        0.01       99.66
     880301 |          1        0.01       99.67
     880701 |          2        0.02       99.69
     881001 |          1        0.01       99.70
     881231 |          2        0.02       99.72
     890101 |          4        0.04       99.76
     890331 |          1        0.01       99.77
     890630 |          1        0.01       99.78
     890701 |          6        0.06       99.84
     890818 |          1        0.01       99.85
     890901 |          1        0.01       99.86
     891109 |          1        0.01       99.87
     900101 |          1        0.01       99.88
     900630 |          2        0.02       99.90
     900901 |          1        0.01       99.91
     910101 |          2        0.02       99.93
     910411 |          1        0.01       99.94
     910531 |          1        0.01       99.95
     910701 |          2        0.02       99.97
     920501 |          1        0.01       99.98
     920701 |          1        0.01       99.99
     920831 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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