The graph below shows the percentage of students enrolled in the College of Engineering at State University. Use the
graph to answer the question. 
-In what year were 20% of the students at State University enrolled in the College of Engineering?
Definitions:
Type Of Infection
Categories of infections determined by the causative agents, such as viral, bacterial, fungal, or parasitic.
Erythropoiesis
The process of producing red blood cells (erythrocytes) in the bone marrow.
Erythropoietin
A hormone produced by the kidneys that stimulates the production of red blood cells in response to hypoxia.
Rate
A measure of how quickly or slowly something happens or changes over a particular period of time.
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