Frequencies for pncpstr 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
         10 |        270        9.90       17.30
         11 |        162        5.94       23.24
         12 |        145        5.32       28.56
         13 |        165        6.05       34.60
         14 |        133        4.88       39.48
         15 |        133        4.88       44.35
         16 |        139        5.10       49.45
         17 |        135        4.95       54.40
         18 |         53        1.94       56.34
         19 |          8        0.29       56.63
          2 |         71        2.60       59.24
         20 |        288       10.56       69.79
          3 |         73        2.68       72.47
          4 |         87        3.19       75.66
          5 |        120        4.40       80.06
          6 |        136        4.99       85.04
          7 |        137        5.02       90.07
          8 |        144        5.28       95.34
          9 |        109        4.00       99.34
        N/A |         18        0.66      100.00
------------+-----------------------------------
      Total |      2,728      100.00

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