Frequencies for pn3bip variable in hvbp_pn_05_28_2013 dataset :

      PN-3b |
Improvement |
     Points |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,011       33.88       33.88
          1 |         98        3.28       37.16
          2 |         99        3.32       40.48
          3 |        133        4.46       44.94
          4 |        137        4.59       49.53
          5 |        194        6.50       56.03
          6 |        196        6.57       62.60
          7 |        203        6.80       69.40
          8 |        186        6.23       75.64
          9 |        524       17.56       93.20
          . |        203        6.80      100.00
------------+-----------------------------------
      Total |      2,984      100.00

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