Amazon is the world's highest-grossing online retailer, with $61.1 billion in net sales in 2012, or 6% of the $1 trillion global e-commerce market. Media represented 33% of sales in 2012, and electronics and general merchandise represented 63% of sales. The remaining 4% was derived from co-branded credit cards, fulfillment operations, and Amazon Web Services. Outside the U.S., Amazon operates sites in Canada, the U.K., Germany, France, Italy, Spain, Japan, China, and Brazil. International revenue represented 43% of sales in 2012.