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Amidst structural adjustments this year , Hainan special zone 's economy has realized steady and healthy development and is estimated to have an annual rate of economic increase reaching 6.7 % , increasing by 1.9 % over last year .
 this year, Hainan, 6.7 %, 1.9 %, last year
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:
 this year, Hainan, 6.7 %, 1.9 %, last year