Final answer:
The specific percentage of Americans who do not consume enough dairy is not mentioned in the provided information. Further research or credible sources are needed to determine the accurate percentage.
Step-by-step explanation:
According to the information provided, the research indicates that a certain percentage of Americans do not consume enough dairy on a daily basis. However, the specific percentage is not mentioned in the given information. Therefore, we cannot accurately answer the question using the provided references. It is important to rely on credible sources or conduct further research to determine the exact percentage of Americans who do not consume enough dairy in their daily diets.