Frequencies for first 10,000 rows of exclusions variable in bencs2016 dataset :

                             Exclusions |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      9,962       99.62       99.62
24 month elimination period for ortho.. |         20        0.20       99.82
Excludes Assistive Reproductive Techn.. |         18        0.18      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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