Hanoi city has earned over VND62 trillion from tourism this year, up 13% year on year, attracting more than 21.8 million visitors, with over 4 million international visitor arrivals, according to Hanoi Department of Tourism.

Source: http://english.vietnamnet.vn/fms/travel/170407/hanoi-tourism-earns-vnd62-trillion-in-2016.html