The average production is 100 bushels per acre, or 3.5 tonnes per hectare. Average US maize yields were 174.2 bushels per acre in 2014. One hundred bushels of corn can contain upwards of 7,280,000 kernels. By 1700, Philadelphia was exporting 350,000 bushels of wheat and 18,000 tons of flour annually. The Shoshone received nine bushels of wheat in three sacks. By 2000, India was harvesting a record 76.4 million tons (2.81 billion bushels) of wheat. Local millers soon were grinding 25,000 bushels of wheat daily. Everything of value was confiscated, including 5,000 bushels of corn and beans stored for winter. This translates into yields of 7 to 17 bushels per acre harvested. Its land grant specified an annual rent of 60 bushels of wheat. Salvagers were able to recover approximately 75,000 bushels of barley for delivery to Midland, Ontario. This means the cost of purchasing the wheat is $50,000 (5,000 bushels x $10). This was especially true for oats, which peaked at 91.9 bushels per acre. Lowell's bequest limited tuition to no more than two bushels of wheat. Estimates for the harvest in 1839 give a figure of 700,000 bushels.