compute_name_index      Compute multiple indices of surnames and given
                        names.
familyname              1,806 Chinese surnames and nationwide
                        frequency.
givenname               2,614 Chinese characters used in given names
                        and nationwide frequency.
population              Population statistics for the Chinese name
                        database.
top1000name.prov        Top 1,000 given names in 31 Chinese mainland
                        provinces.
top100name.year         Top 100 given names in 6 birth cohorts.
top50char.year          Top 50 given-name characters in 6 birth
                        cohorts.
