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Canada was the second most pro-NATO country with 78 % supporting the alliance , followed by the U.S. with 75 % , Britain with 71 % , Belgium with 69 % and West Germany with 63 % .
 Canada, second, pro-NATO, 78 %, U.S., 75 %, Britain, 71 %, Belgium, 69 %, West Germany, 63 %
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:
 Canada, second, pro-NATO, 78 %, U.S., 75 %, Britain, 71 %, Belgium, 69 %, West Germany, 63 %