The county board may levy a tax each year of not to exceed three and five-tenths cents on each one hundred dollars upon the taxable value of all the taxable property in such county for the purpose of acquiring, remodeling, improving, equipping, maintaining, and operating a facility as provided by section 23-3501. In counties having a population of not more than seven thousand inhabitants, such tax shall not exceed seven cents on each one hundred dollars of the taxable value.