12. Before commercial whaling in the 18th century, the sperm whale population was estimated at 1,100,000. However by 1880 the total sperm whale population had decreased by 29%. Between 1880 and 1946 the population recovered slightly, growing by 5.9% from the 1880 population. However, from 1946 to 1980 only 33% of the 1946 population remained. What was the size of the sperm whale population in 1980?