Frequencies for first 10,000 rows of uhourse variable in morg05 dataset :

     (e&dp) |
Usual hours |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          5        0.05        0.05
          1 |          1        0.01        0.06
          2 |          5        0.05        0.11
          3 |          9        0.09        0.20
          4 |          8        0.08        0.28
          5 |         15        0.15        0.43
          6 |         10        0.10        0.53
          7 |          3        0.03        0.56
          8 |         25        0.25        0.81
          9 |          4        0.04        0.85
         10 |         47        0.47        1.32
         11 |          2        0.02        1.34
         12 |         27        0.27        1.61
         14 |          3        0.03        1.64
         15 |         61        0.61        2.25
         16 |         27        0.27        2.52
         17 |          4        0.04        2.56
         18 |          8        0.08        2.64
         19 |          1        0.01        2.65
         20 |        204        2.04        4.69
         21 |          5        0.05        4.74
         22 |          3        0.03        4.77
         23 |          4        0.04        4.81
         24 |         51        0.51        5.32
         25 |         87        0.87        6.19
         26 |          8        0.08        6.27
         27 |          4        0.04        6.31
         28 |         16        0.16        6.47
         29 |          3        0.03        6.50
         30 |        160        1.60        8.10
         31 |          3        0.03        8.13
         32 |         60        0.60        8.73
         33 |          6        0.06        8.79
         34 |          5        0.05        8.84
         35 |        169        1.69       10.53
         36 |         67        0.67       11.20
         37 |         30        0.30       11.50
         38 |         78        0.78       12.28
         39 |          5        0.05       12.33
         40 |      3,169       31.69       44.02
         41 |          1        0.01       44.03
         42 |         19        0.19       44.22
         43 |         11        0.11       44.33
         44 |         15        0.15       44.48
         45 |        232        2.32       46.80
         46 |          6        0.06       46.86
         47 |          6        0.06       46.92
         48 |         53        0.53       47.45
         49 |          6        0.06       47.51
         50 |        403        4.03       51.54
         51 |          2        0.02       51.56
         52 |          2        0.02       51.58
         53 |          3        0.03       51.61
         54 |          2        0.02       51.63
         55 |         66        0.66       52.29
         56 |          7        0.07       52.36
         57 |          1        0.01       52.37
         58 |          3        0.03       52.40
         59 |          1        0.01       52.41
         60 |        167        1.67       54.08
         61 |          2        0.02       54.10
         62 |          2        0.02       54.12
         63 |          3        0.03       54.15
         64 |          1        0.01       54.16
         65 |         11        0.11       54.27
         66 |          1        0.01       54.28
         70 |         32        0.32       54.60
         72 |          4        0.04       54.64
         75 |          3        0.03       54.67
         77 |          1        0.01       54.68
         78 |          1        0.01       54.69
         80 |         13        0.13       54.82
         81 |          1        0.01       54.83
         84 |          3        0.03       54.86
         90 |          2        0.02       54.88
         99 |          9        0.09       54.97
          . |      4,503       45.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Mar 2017