The graph is reveals the different data for the wheat exports over three different areas between 1985 and 1990.We can know the standard of living in those different areas from the side.
First, let’s see the Canadian data. The arrowhead was began on 19 million ton. After one year, it decreased to 17. Then it was reached the peak-----25 million ton in 1988. It used 2 years to jump to 25 and just used the half time fell 14. In the last year, the arrowhead only picked up the start.
The second target is Australian data. The arrowhead was stopped on 15 in 1985. It used one year to climbed to 16. In 1986 to 1900, the arrowhead was do a down ward motion with the acceleration was constantly abating. It was roll down the slope from 16 to 11(million ton).
The last is the data from European community, it is a fickle one. From the 17 million ton onwards, it decreased 3 million ton in the first year and picked up 1 million ton in the second year. In 1987 to 1988, the arrowhead was kept on 15 million ton. In the last two years, it increased to 21 million ton.
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