The line graph demonstrates the number of cases of X disease in Someland between the years 1960 and 1995.
Overall, it is clearly visible that the number of cases of the disease increased until 1970; after that, it remained constant for about 5 years before dropping to zero.
From 1960 to 1965, the number of cases of X disease remained stagnant at about 100. Whereas between 1965 and 1970, the number of cases increased slightly to around 200. From 1970, there was a significant rise in the number of cases, reaching a peak of about 500. Thereafter, the number of cases remained the same for about 5 years before a slight decline between 1980 and 1985. From 1985 onwards, the cases dropped drastically, hitting a low of zero in 1990. From 1990 to 1995, the number of cases of X disease stood at zero.
