The line graph compares the percentage of Australian exports to 4 countries between 1990 and 2012. It also clear that Japan dominated the graph with significantly higher figures for the majority of the period, while the reverse was true for India.
In first ten years Japan increased for 5 percent and slowly decreased to 12 percent in 2012 while reverse was true for China. In first ten years you can see, that China was about 3 persent, but after 22 years ( in 2012 ) China did very big change and rose for 25 percent ( 28 percent ).
In first ten years Usa was in the middle of the graph ( about 12 percent ) , while India was the lowes onest in the list ( 0 percent ). But after 22 years Usa decreased for 5 percent , while the reverse was true for India ( increased for 5 percent).
In conclusion Japan dominated in first ten years, but China did comeback and in 2012 was about 28 percent.