Frequencies for first 10,000 rows of exclusions variable in bencs2014 dataset :

                             Exclusions |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      9,753       97.53       97.53
Damage resulting from chewing or biti.. |          6        0.06       97.59
                Dental related services |          2        0.02       97.61
                Dental-related services |          1        0.01       97.62
Excludes Assistive Reproductive Techn.. |          5        0.05       97.67
Excludes Assistive Reproductive Techn.. |         42        0.42       98.09
Exclusions and limitations apply, see.. |        162        1.62       99.71
Limited to 2 hours per year after ini.. |          3        0.03       99.74
Waiting periods, exclusions and limit.. |         26        0.26      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 6 Oct 2016