Frequencies for first 10,000 rows of prov1390 variable in pos1995 dataset :

technologis |
 t - bs med |
       tech |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,738       97.38       97.38
          1 |        111        1.11       98.49
          2 |         44        0.44       98.93
          3 |         31        0.31       99.24
          4 |         18        0.18       99.42
          5 |         13        0.13       99.55
          6 |          6        0.06       99.61
          7 |          2        0.02       99.63
          8 |          8        0.08       99.71
          9 |          2        0.02       99.73
         10 |          5        0.05       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
         29 |          1        0.01       99.97
         33 |          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