Frequencies for first 10,000 rows of prov1390 variable in pos1993 dataset :

technologis |
 t - bs med |
       tech |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,723       97.23       97.23
          1 |        119        1.19       98.42
          2 |         47        0.47       98.89
          3 |         32        0.32       99.21
          4 |         19        0.19       99.40
          5 |         14        0.14       99.54
          6 |          6        0.06       99.60
          7 |          2        0.02       99.62
          8 |          8        0.08       99.70
          9 |          2        0.02       99.72
         10 |          6        0.06       99.78
         11 |          3        0.03       99.81
         12 |          2        0.02       99.83
         13 |          2        0.02       99.85
         14 |          4        0.04       99.89
         16 |          2        0.02       99.91
         18 |          2        0.02       99.93
         19 |          2        0.02       99.95
         20 |          1        0.01       99.96
         26 |          1        0.01       99.97
         29 |          1        0.01       99.98
         55 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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