You are preparing the city's comprehensive plan. You have accurate population projections and you are trying to determine the housing mix that will be needed to support the population. You have analyzed the census trends and have noticed an interesting trend, nationally marriage rates have:
A. Increased from 55 percent in 1960 to 72 percent in 2010
B. Declined from 72 percent in 1960 to 65 percent in 2010
C. Declined from 72 percent in 1960 to 51 percent in 2010
D. Declined from 72 percent in 1960 to 34 percent in 2010