Frequencies for first 10,000 rows of psychlgst_cnt variable in pos2009 dataset :

psychologis |
         ts |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,921       99.21       99.21
         .1 |          1        0.01       99.22
         .2 |          1        0.01       99.23
        .25 |          4        0.04       99.27
         .5 |          2        0.02       99.29
         .6 |          2        0.02       99.31
         .8 |          1        0.01       99.32
        .87 |          1        0.01       99.33
          1 |         35        0.35       99.68
        1.4 |          1        0.01       99.69
        1.5 |          3        0.03       99.72
        1.6 |          2        0.02       99.74
       1.75 |          1        0.01       99.75
        1.8 |          1        0.01       99.76
        1.9 |          1        0.01       99.77
       1.99 |          1        0.01       99.78
          2 |          3        0.03       99.81
        2.4 |          1        0.01       99.82
          3 |          3        0.03       99.85
        3.5 |          1        0.01       99.86
        3.8 |          1        0.01       99.87
          4 |          2        0.02       99.89
          5 |          1        0.01       99.90
        5.7 |          1        0.01       99.91
          6 |          2        0.02       99.93
          7 |          1        0.01       99.94
          8 |          1        0.01       99.95
        8.6 |          1        0.01       99.96
         10 |          1        0.01       99.97
       13.5 |          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