According to the data from "National Information Network of the Wholesale Market Price of Agricultural Products", the national average price of sunflower seeds has been 10.75 yuan per kilogram in the first 27 weeks ( June 30, 2014 to July 6, 2014 ), and 10.57 yuan per kilogram last week. The average price per kilogram this week is 0.18 yuan higher than that of last week , up by 1.69 percent.