Frequencies for first 10,000 rows of state_cd variable in ppefenrol dataset :

   Provider |
 enrollment |
     state, |
abbreviated |
   location |      Freq.     Percent        Cum.
------------+-----------------------------------
         AL |        130        1.30        1.30
         AK |         20        0.20        1.50
         AZ |        175        1.75        3.25
         AR |         91        0.91        4.16
         CA |        856        8.56       12.72
         CO |        220        2.20       14.92
         CT |        117        1.17       16.09
         DE |         32        0.32       16.41
         DC |        135        1.35       17.76
         FL |        592        5.92       23.68
         GA |        309        3.09       26.77
         GU |          1        0.01       26.78
         HI |         44        0.44       27.22
         ID |         51        0.51       27.73
         IL |        421        4.21       31.94
         IN |        180        1.80       33.74
         IA |        120        1.20       34.94
         KS |         94        0.94       35.88
         KY |        147        1.47       37.35
         LA |        153        1.53       38.88
         ME |         70        0.70       39.58
         MD |        166        1.66       41.24
         MA |        286        2.86       44.10
         MI |        369        3.69       47.79
         MN |        210        2.10       49.89
         MS |        104        1.04       50.93
         MO |        179        1.79       52.72
         MT |         33        0.33       53.05
         NE |         77        0.77       53.82
         NV |         75        0.75       54.57
         NH |         50        0.50       55.07
         NJ |        259        2.59       57.66
         NM |         69        0.69       58.35
         NY |        769        7.69       66.04
         NC |        286        2.86       68.90
         ND |         30        0.30       69.20
         OH |        392        3.92       73.12
         OK |        114        1.14       74.26
         OR |        139        1.39       75.65
         PA |        425        4.25       79.90
         PR |         53        0.53       80.43
         RI |         44        0.44       80.87
         SC |        143        1.43       82.30
         SD |         27        0.27       82.57
         TN |        223        2.23       84.80
         TX |        721        7.21       92.01
         UT |         75        0.75       92.76
         VT |         22        0.22       92.98
         VA |        209        2.09       95.07
         VI |          1        0.01       95.08
         WA |        227        2.27       97.35
         WV |         71        0.71       98.06
         WI |        164        1.64       99.70
         WY |         28        0.28       99.98
         MP |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Apr 2019