The line graph shows the amount of money generated from cotton, corn, wheat and sugar in the city of Mitchford from 1970 to 2000.
In the 1970s, the four types of produce were quite similar in terms of their economic contribution to the city. In fact, wheat remained a solid performer from 1970 to 2000 at around $45,000. Likewise, corn remained a fairly stable producer of income hovering around $30,000 in the 1970s, increasing gradually to a high of round $40,000 and then gradually declining to around $30,000 in 2000. Sugar experienced some significant growth from 1970 (around $25,000) to the mid 1990s (around $45,000) and remained at this approximate level to 2000. Cotton showed are greatest fluctuation moving from around $20,000 in the 1970s and mid 1980s to a peak of $90,000 in the 1990s. It declined as quickly as it rose falling back to 20,000 in 2000.