The line graph gives information about the amount of experienced incidents of x disease in some land between 1960 and 1995.
Overall, during the period X virus spread all over the land, especially in 1960 to 1980, its dramatically fluactuated. Although, people who diseased in virus was surge in 1975 and 1980, compared this, from 1990 to 1995 not registered any cases of X disease in the land.
According to the graph, X virus started to spread in 1960, then slighlty increased to 200 in 1970, meanwhile in 1975 people who diseased this dangerous virus peaked at 500 and its levelled off in 1980.
The incidents number reached 400 and it is shows that virus slowly declined, respectively. Furthermore, in 1985 and dropped sharply to 0 in 1990, then this desease stabilised in 1995.
