Frequencies for pn3bip variable in hvbp_pn_02_25_2014 dataset :

      PN-3b |
Improvement |
     Points |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,118       40.98       40.98
          1 |         86        3.15       44.13
          2 |        115        4.22       48.35
          3 |        119        4.36       52.71
          4 |        116        4.25       56.96
          5 |        153        5.61       62.57
          6 |        168        6.16       68.73
          7 |        158        5.79       74.52
          8 |        104        3.81       78.34
          9 |        529       19.39       97.73
          . |         62        2.27      100.00
------------+-----------------------------------
      Total |      2,728      100.00

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