The graph below gives information about the number of cases of diarrhea in Mashhad between 1983 and 1992.

The graph illustrates the fluctuations in the number of diarrhea cases in Mashhad from 1983 to 1992, showcasing annual variations over the period. Overall, the number of diarrhea cases in Mashhad experienced fluctuations over the years, with noticeable peaks in 1989 and a sharp decline to a low point in 1992. In 1983, there were […]