International trade makes up a large part of the Canadian economy, particularly of its natural resources. In 2009, agriculture, energy, forestry and mining exports accounted for about 58% of Canada's total exports. Machinery, equipment, automotive products and other manufactures accounted for a further 38% of exports in 2009. In 2009, exports accounted for about 30% of Canada's GDP. The United States is by far its largest trading partner, accounting for about 73% of exports and 63% of imports as of 2009. Canada's combined exports and imports ranked 8th among all nations in 2006.