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

The data provides information about the number of

cases

of

diarrhea

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diarrhoea

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disease in Mashhad from 1983 to 1992.

Overall

, it is clear from the graph that at the beginning of 3 years,

diarrhea

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diarrhoea

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cases

in Mashhad remained relatively unchanged.

Besides

, the highest number was in 1989,

while

the lowest one was observed in 1992. In 1983, the line stood at about 100 incidents and

leveled

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levelled

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off over 2 years from 1984 to 1985.

Then

it rose slightly to reach about 190

cases

of

diarrhea

in 1986.

This

increase was followed by another when in 1987 it was almost 200.

However

, it dropped back to approximately 100 in 1988. Suddenly,

this

downward line dramatically increased to about 400 in 1989 and again decreased to about 350

cases

.

Therefore

, it leveled off 1 year from 1990 to 1991 after which

diarrhea

entirely dropped to 0 in 1992.