Frequencies for pncp variable in hvbp_pn_02_25_2014 dataset :

         PN |
Condition/P |
   rocedure |
      Score |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        150        5.50        5.50
          1 |         52        1.91        7.40
          2 |         71        2.60       10.01
          3 |         73        2.68       12.68
          4 |         87        3.19       15.87
          5 |        120        4.40       20.27
          6 |        136        4.99       25.26
          7 |        137        5.02       30.28
          8 |        144        5.28       35.56
          9 |        109        4.00       39.55
         10 |        270        9.90       49.45
         11 |        162        5.94       55.39
         12 |        145        5.32       60.70
         13 |        165        6.05       66.75
         14 |        133        4.88       71.63
         15 |        133        4.88       76.50
         16 |        139        5.10       81.60
         17 |        135        4.95       86.55
         18 |         53        1.94       88.49
         19 |          8        0.29       88.78
         20 |        288       10.56       99.34
          . |         18        0.66      100.00
------------+-----------------------------------
      Total |      2,728      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016