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Only 17 % of those aged 75 and older lived with relatives other than spouses in 1988 , down from 26 % in 1970 .
 percent: Only 17 %; date: aged 75 and older; date: 1988; percent: 26 %; date: 1970
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:
 percent: Only 17 %; date: aged 75 and older; date: 1988; percent: 26 %; date: 1970