That's a rather horrifying statistic, especially as nowadays we would not class 14-16 year olds as "women". It beggars belief that 98.4% of Mormon girls would have fallen in love by age 16, especially with older men who already have a harem of wives, so we have to assume a shocking degree of social pressure, amounting essentially to arranged marriages.

I've always wondered at the historical accuracy of "A Study In Scarlet", but its depiction of the social climate regarding marriage among the LDS would appear to be spot-on...