Frequencies for state variable in ime_gme2552_96_2011 dataset :

                                  State |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
AL                                   .. |          1        2.94        2.94
AZ                                   .. |          1        2.94        5.88
CA                                   .. |          4       11.76       17.65
IN                                   .. |          2        5.88       23.53
ME                                   .. |          1        2.94       26.47
MN                                   .. |          2        5.88       32.35
MS                                   .. |          2        5.88       38.24
NE                                   .. |          1        2.94       41.18
NJ                                   .. |          1        2.94       44.12
OH                                   .. |          3        8.82       52.94
OK                                   .. |          2        5.88       58.82
PA                                   .. |          1        2.94       61.76
TN                                   .. |          1        2.94       64.71
TX                                   .. |          8       23.53       88.24
UT                                   .. |          1        2.94       91.18
WA                                   .. |          1        2.94       94.12
WI                                   .. |          1        2.94       97.06
WV                                   .. |          1        2.94      100.00
----------------------------------------+-----------------------------------
                                  Total |         34      100.00

by Jean Roth , jroth@nber.org , 21 Apr 2018