7470
In the second half of last year , the average growth rate of imports was 6 % to 7 % higher than that of exports .
 date: the second half of last year; percent: 6 % to 7 %
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:
 date: the second half of last year; percent: 6 % to 7 %