Go to Figure 2.3 of the World Statistics 2018' report. The figure shows 1) the estimated incidence of tuberculosis from the year 2000 to the year 2016, where incidence refers to number of new cases, 2) the number of notified cases, where notified refers to cases that were reported to the WHO, and 3) the number of cases that were successfully treated with WHO-sanctioned antibiotic protocols. One of the most interesting, and worrisome trends in this figure is that _____________of tuberculosis has not declined over a period of 16 years. Group of answer choices The number of new cases The number of notified cases The number of treated cases None of the above