The graph below shows the differences in wheat exports over three different areas.

The line graph presents data on the worldwide grain harvesting area from 1950 to 1996. As is clear from the given illustration, global grain harvesting areas increased gradually and grain price, land programmes and retrenchment had effects on the land area where grain was harvested.
The line graph gives data on the grain harvesting areas worldwide over a period of 46 years, commencing from 1950. As an overall trend, the area of land in which the seed was cultivated throughout the world increased during the period and land programmes initiated by the USSR, grain price increase and retrenchment affected the land area in which farmers grew the crops.