11.   To deal with this possibility, you need to identify the factors that might affect voting rates among men and women.

12.   Yes, mortality rates among cigarette smokers are way higher than among cigar smokers.

13.   ...a disproportionately high suicide rate among young prisoners.

14.   It was also suggested that lower success rates among Access students appear to be associated with higher education courses which have relatively low success rates for all students.

15.   A new scheme to cut the suicide rate among farm workers has been launched by the Samaritans.

16.   Although the reasons are far from clear, homicide rates among young Americans have started to drop.

17.   Analysts favor companies owning apartments in Northern California, where little new supply has kept vacancy rates among the lowest in the U.S.

18.   And he said that the weaker sources, if dispersed, would lead to almost immeasurably small increases in cancer rates among people who were exposed.

19.   And the pregnancy and abortion rates among teen-agers are dropping, too.

20.   And the unemployment rates among African-American and Hispanic workers remain at historic lows.