Frequencies for first 10,000 rows of psychlgst_cnt variable in pos2007 dataset :

psychologis |
         ts |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,957       99.57       99.57
         .1 |          1        0.01       99.58
        .25 |          3        0.03       99.61
         .5 |          1        0.01       99.62
        .87 |          1        0.01       99.63
          1 |         18        0.18       99.81
        1.5 |          1        0.01       99.82
       1.75 |          1        0.01       99.83
          2 |          2        0.02       99.85
        2.4 |          1        0.01       99.86
          3 |          1        0.01       99.87
        3.5 |          1        0.01       99.88
        3.8 |          1        0.01       99.89
          4 |          3        0.03       99.92
          5 |          1        0.01       99.93
          6 |          1        0.01       99.94
          7 |          1        0.01       99.95
        8.6 |          1        0.01       99.96
         10 |          1        0.01       99.97
         17 |          1        0.01       99.98
         31 |          1        0.01       99.99
       36.3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017