BEIJING, May 27  -- Employees in China's foreign-invested companies earned more than any other group last year, according to new survey results released Tuesday.

The National Bureau of Statistics (NBS) said in a statement on its website that foreign companies paid an average annual salary of 61,694 yuan (10,001 U.S. dollars) to their employees in 2013, topping all other types of companies.

State-owned companies paid the second highest at 56,728 yuan, while companies with investment from Hong Kong, Macao and Taiwan paid 49,683 yuan to employees, the statement showed.

The NBS tracked 870,000 companies in 16 sectors for the survey. The average salary of all tracked companies was 45,676 yuan.