The line graph below shows the number of complaints received by the complaints department of a single airline over a six-month period in 2009. Summarize the information by selecting and reporting the main features making comparisons where relevant.

The line graph gives information about the

number

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of

complaints

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sent to an airline’s

complaints

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department from

January

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to June in the year 2009.

Overall

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, the

number

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of

complaints

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sent in person and by telephone increased,

while

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the opposite trend was true for those sent by email or fax. The

number

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of

complaints

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sent directly to the department in

January

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was slightly more than 400.

This

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figure

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was the lowest throughout the period.

This

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figure

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then

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increased rapidly over the next months and reached the highest point of about 1900

complaints

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in June. The

number

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of

complaints

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received by telephone dropped slightly in the first two months, from 900 in

January

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to 800 in February.

This

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figure

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remained unchanged at slightly more than 1000 from March to April,

then

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went up considerably to 1600

complaints

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in June. The

number

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of

complaints

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sent by email or fax was the highest in

January

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, at nearly 800.

This

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figure

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was quite stable in the first quarter.

This

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fell to just under 400

complaints

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in May and stayed unchanged in the

last

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2 months.