Grocery retailer Costco has reported net sales hit $76.25bn (£47.78bn) for the full year ended August 29, up 9% on the previous year. Like-for-like sales rose 4%, with the US up 2% and international up 8%. Costco currently operates 573 warehouse clubs, including 417 in the US and Puerto Rico, 79 in Canada, 22 in the UK, seven in Korea, six in Taiwan, nine in Japan, one in Australia and 32 in Mexico.