7051
It achieved a total volume of 4 billion US dollars of goods going into and out of the area , increasing by 83 % over the same period of the previous year , with a total amount of 1 billion US dollars from imports and exports .
 money: 4 billion US dollars; percent: 83 %; date: the same period of the previous year; money: 1 billion US dollars
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 money: 4 billion US dollars; percent: 83 %; date: the same period of the previous year; money: 1 billion US dollars