The graph below gives information about the number of cases of diarrhea in Mashhad between 1983 and 1992. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The given graph illustrates the

number

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of people who suffered from diarrhoea in Mashhad from 1983 to 1992.

Overall

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, it is evident that the

number

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of reported cases fluctuated throughout the years

while

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the illness peaked in 1989 insulting 400 citizens. In more detail, in the first three years, the

number

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of cases levelled off to 100 individuals. Afterwards, a moderate increase is illustrated when the figure doubled in 1997, which is followed by a sudden drop back to a little less than 100 cases.

On the contrary

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, from 1988 to 1989 the illness experiences a rapid rise infecting almost 400 people. In the next two years, the

number

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of individuals affected by

this

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medical condition decreases by a narrow margin of about 50 persons until it plummeted to zero patients in 1992.