Frequencies for first 10,000 rows of lab_site_cnt variable in posclia2016 dataset :

   Multiple |
   Site Lab |
      Count |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,549       95.49       95.49
          1 |          1        0.01       95.50
          2 |        251        2.51       98.01
          3 |         56        0.56       98.57
          4 |         36        0.36       98.93
          5 |         19        0.19       99.12
          6 |         24        0.24       99.36
          7 |          9        0.09       99.45
          8 |          6        0.06       99.51
          9 |          7        0.07       99.58
         10 |          9        0.09       99.67
         11 |          3        0.03       99.70
         12 |          8        0.08       99.78
         13 |          2        0.02       99.80
         14 |          2        0.02       99.82
         15 |          3        0.03       99.85
         16 |          2        0.02       99.87
         17 |          1        0.01       99.88
         18 |          1        0.01       99.89
         19 |          1        0.01       99.90
         26 |          2        0.02       99.92
         31 |          1        0.01       99.93
         34 |          1        0.01       99.94
         35 |          1        0.01       99.95
         42 |          1        0.01       99.96
         44 |          1        0.01       99.97
         49 |          1        0.01       99.98
         50 |          1        0.01       99.99
         64 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017