The line graph indicated the information about the number of questionnaires collected from Tourist Information office in a city based on individual, letter/email and telephone by first 6 months in 2011.

The chart provides information on the number of surveys collected between January and Jun 2011 from Tourist Information centres divided between three groups: in person, by letter/email, and via telephone. The data clearly illustrates the advantage of questionnaires picked per person. Both surveys accumulated face-to-face and via telephone followed a similar pattern. In the case of questionnaires picked per person in January, there were only 400 of them;

however

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, till March they have experienced a moderate growth to 800.

Subsequently

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, a rapid increase was observed peaking at 1850 in Jun.

On the other hand

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, the one collected by telephone began with 850 in the first month of 2011. Despite suffering a slight fall to 800 in February they managed to rise to 1000 in March.

After

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this

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, they remained stable till April, later witnessing a dramatic growth to 1600 in Jun.

In contrast

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, questionaries accumulated via letter or email had dropped throughout the period. They started with 800, later experiencing a moderate decrease to 700 in March. Since

then

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, a rapid fall was observed to only 350 in May.

After

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this

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, they have remained constant at the same level.