From the article: "...the grain figure doesn't even include the two hundred pounds of potatoes Americans ate every year in the early 20th century."
Table 4 of the original report gives more detailed numbers. In the period 1909-1919, grains, potatoes and sweeteners together contributed 54.4% of American calories. In 2004, it was down to 43%.
Table 4 of the original report gives more detailed numbers. In the period 1909-1919, grains, potatoes and sweeteners together contributed 54.4% of American calories. In 2004, it was down to 43%.
https://docs.google.com/viewer?url=http%3A%2F%2Fwww.cnpp.usd...
On the other hand, fat consumption nearly doubled over that period (from 12.6% to 23.9%).