348582
For the 12-month period ending August 31 , 2004 , the airport had 8,600 aircraft operations , an average of 23 per day : 93 % general aviation and 7 % air taxi .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None