Great calculation, but I'd like to throw out; from being in that age bracket with a near 5 year old; that there could be a probability that there's a growing number of people in their mid to late 30's starting families.
Great calculation, but I'd like to throw out; from being in that age bracket with a near 5 year old; that there could be a probability that there's a growing number of people in their mid to late 30's starting families.