8497
That compares with 58 % of the similar age group in the 1980 through 1982 surveys and 55 % in the 1972 through 1975 surveys .
 58 %, 1980 through 1982, 55 %, 1972 through 1975
Please list all entity words in the text that fit the category. Output format is "word1, 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:
 58 %, 1980 through 1982, 55 %, 1972 through 1975