Frequencies for state variable in pbtype dataset :

      State |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |         73        1.36        1.36
          2 |          7        0.13        1.49
          4 |        186        3.46        4.95
          5 |         40        0.74        5.69
          6 |        761       14.16       19.85
          8 |         51        0.95       20.80
          9 |         55        1.02       21.82
         10 |         26        0.48       22.30
         11 |         16        0.30       22.60
         12 |        620       11.53       34.13
         13 |        209        3.89       38.02
         15 |         30        0.56       38.58
         16 |         17        0.32       38.90
         17 |        154        2.86       41.76
         18 |         85        1.58       43.34
         19 |         28        0.52       43.86
         20 |         23        0.43       44.29
         21 |         71        1.32       45.61
         22 |         92        1.71       47.32
         23 |         14        0.26       47.58
         24 |        123        2.29       49.87
         25 |         66        1.23       51.10
         26 |        177        3.29       54.39
         27 |         48        0.89       55.28
         28 |         54        1.00       56.29
         29 |         66        1.23       57.51
         30 |          9        0.17       57.68
         31 |         11        0.20       57.89
         32 |         47        0.87       58.76
         33 |          9        0.17       58.93
         34 |        154        2.86       61.79
         35 |         43        0.80       62.59
         36 |        376        6.99       69.59
         37 |        212        3.94       73.53
         38 |          9        0.17       73.70
         39 |        117        2.18       75.87
         40 |         81        1.51       77.38
         41 |         82        1.53       78.91
         42 |        181        3.37       82.27
         44 |         14        0.26       82.53
         45 |        117        2.18       84.71
         46 |         11        0.20       84.91
         47 |         99        1.84       86.76
         48 |        421        7.83       94.59
         49 |         38        0.71       95.29
         50 |          6        0.11       95.41
         51 |         89        1.66       97.06
         53 |         70        1.30       98.36
         54 |         16        0.30       98.66
         55 |         69        1.28       99.94
         56 |          3        0.06      100.00
------------+-----------------------------------
      Total |      5,376      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016