The given line graph compares the proportion of travellers in unknown country from 2009 to 2011 .
Overall ,it appears that locals had tendency to have a temporary trip to overseas throughout the period.Meanwhile ,visiting this country was preferable at the beginning but less popular at the end of the period .
Firstly, the number of resident departures experienced dramatical increase during 3 years.From October 2009 to October 2010 number increased from 550 people to 600 people then had slight dip , before increasing to above 640 individuals in June 2011.
Secondly, .The observation showed that the amount of visitors arrivals rose steeply in October 2009 ,after it began to drop gradually until it finally reaching 490 visitors by June 2011. To be more specific the number of people was 490 in October 2009 next ,increased to about 520 individuals in October of next year,then had slightly decrease in June 2011.
