The following data show the changes in population of Kochi prefecture, from 1920 to 2015. Year Population 1920 671,000 1925 687,000 1930 718,000 1935 715,000 1940 698,000 1945 776,000 1950 874,000 1955 883,000 1960 855,000 1965 813,000 197…