The extent of progress in meeting reform goals has varied across these areas.

The extent of large numbers used varied in each culture.

The extent to which different banks participate will vary according to their needs.

The extent to which such signs are used varies between countries.

The extent of the problem varies a great deal from one species to another.

The extent to which private parties may own such rights varies among the states.

The extent of public access varies from one property to another.

The extent to which patients and doctors understand each other varies.

As a result, the extent and quality of medical interpreting varies widely across the country.

The extent to which the code is used varies by state.