According to the text, how many new psychologists work in service provider roles?

According to the text, how many new psychologists work in service provider roles (such as providing therapy to clients)?
All new psychologists
Less than one-half of new psychologists
More than one-half of new psychologists, but not all

The answer is Less than one-half of new psychologists
“Less than one-half of new psychologists work in service provider roles” p. 3