Frequencies for state variable in prds_hosp10_yr2013 dataset :

      state |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        409        6.55        6.55
         01 |        112        1.79        8.34
         02 |         25        0.40        8.74
         03 |         97        1.55       10.29
         04 |        100        1.60       11.89
         05 |        388        6.21       18.10
         06 |         97        1.55       19.65
         07 |         40        0.64       20.29
         08 |         12        0.19       20.49
         09 |         13        0.21       20.69
         10 |        226        3.62       24.31
         11 |        170        2.72       27.03
         12 |         25        0.40       27.43
         13 |         50        0.80       28.23
         14 |        202        3.23       31.47
         15 |        154        2.46       33.93
         16 |        121        1.94       35.87
         17 |        150        2.40       38.27
         18 |        118        1.89       40.16
         19 |        205        3.28       43.44
         20 |         40        0.64       44.08
         21 |         55        0.88       44.96
         22 |        115        1.84       46.80
         23 |        162        2.59       49.39
         24 |        143        2.29       51.68
         25 |        103        1.65       53.33
         26 |        136        2.18       55.51
         27 |         63        1.01       56.51
         28 |         94        1.50       58.02
         29 |         49        0.78       58.80
         30 |         29        0.46       59.27
         31 |         96        1.54       60.80
         32 |         47        0.75       61.56
         33 |        217        3.47       65.03
         34 |        127        2.03       67.06
         35 |         50        0.80       67.86
         36 |        205        3.28       71.14
         37 |        147        2.35       73.50
         38 |         60        0.96       74.46
         39 |        226        3.62       78.07
         40 |         57        0.91       78.99
         41 |         16        0.26       79.24
         42 |         81        1.30       80.54
         43 |         62        0.99       81.53
         44 |        138        2.21       83.74
         45 |        508        8.13       91.87
         46 |         48        0.77       92.64
         47 |         15        0.24       92.88
         49 |        106        1.70       94.57
         50 |         99        1.58       96.16
         51 |         59        0.94       97.10
         52 |        153        2.45       99.55
         53 |         28        0.45      100.00
------------+-----------------------------------
      Total |      6,248      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018