From the graph shows the average cost per person per day of the tourist arrivals in Khon Kaen province in every nationality-2551 (2008) 2553 (2010) overall, it can be seen that the average cost per person per day of the tourist arrivals in Khon Kaen province in the year 2551 with 33 percent percent average expense per person/day in tourist arrivals in the year 2552, Khon Kaen province amounted to 34 percent percent average expense per person/day in tourist arrivals in the year 2553, Khon Kaen province amounted to 33 percent percent.
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