The graph gives information about the number of cases of X disease in Someland between 1983-1992.
According to the data ,as you can see in 1983 the cases started with 100 cases and that was the same until 1984. After that the graph started to minimally grow up to 175 in 1986,In1987 we have a dramatically full 100 .On the other hand there is a skyrocketed to 400 cases which was the highest number displayed .
More on the same matter, the total number of incidents stayed at 400 for one year which is1989 , after that we slumped to 350 in 1990 . Moreover there is a move in the same level in cases between 1990 to 1992. In 1992 there was an unexpected huge fall to the zero of the number of cases of X disease in Someland .
Overall,the total number of cases started in 100 and ended at zero with a big increases in 1989,and huge fell in 1992 for undisclosed reasons .
