sentences:  In 1978, China received about 230,000 international foreign tourists, mostly because of the severe limitations that the government placed on who was allowed to visit the country and who was not.In 2016, overnight visitors increased 4.2% over the same period of 2015 to 59.27 million (of which over 60% came from Hong Kong, Macau and Taiwan).The corresponding income increased to US$120 billion, an increase by 5.6% over the same period of 2015.