How to calculate the population, apartments and hotels in the index of China map?

The calculation methods of population apartments and hotels in China Library Index are population apartments and hotels.

1, population apartment: calculated according to the number of residents in each apartment. For example, if an apartment has 100 rooms and each room has 2 people, then the population of this apartment is 200.

2. Hotel: calculated according to the number of rooms in the hotel and the average occupancy rate of each room. For example, if a hotel has 200 rooms and the average occupancy rate of each room is 80%, then the population of this hotel is 200*80%= 160 people.