The following table of data from the Bureau of the Census gives the median age of a man at the time of his first marriag
Year
1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010
Median Age 24.6 24.3 24.3 22.8 22.8 23.4 24.8 26.1 26.9 27.5 25.2
During what 10-year period did the average age increase the most?
From the year to the median age of a man at the time of his first marriage increased the most.