Frequencies for agedeterminationrule variable in busrules2016 dataset :

                 Age Determination Rule |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
Age on January 1st of the effective d.. |         15        0.17        0.17
                  Age on effective date |      8,744       99.37       99.55
Age on insurance date (age on birthda.. |         40        0.45      100.00
----------------------------------------+-----------------------------------
                                  Total |      8,799      100.00

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