The bar chart below shows numbers of seals, whales and dolphins recorded in the Gormez Straits from 2006 to 2018.

The bar chart provides information about the

number

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of

seals

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,

whales

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and dolphins in the Gormex Straits between 2006 and 2018.

Overall

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, the population of all kinds of animals generally increased over time. Dolphins became the most dominant group

at the end

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of the period

while

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the

number

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of

seals

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and

whales

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fluctuated throughout the time. In 2006, the sum of dolphins had just over 15, being the least among

three

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the three

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types of sea animals.

However

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,

this

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number

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had been doubled to 32 in 2014 and eventually reached a peak of 51 in 2018.

On the other hand

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, the

number

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of

seals

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and

whales

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fluctuated in a twelve-year period.

Seals

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experienced a sharp drop in 2010 from 42 to 25, but

then

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increased substantially in the following 8 years and reach 45 in 2018.

Besides

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, the total of

whales

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did not experience significant changes and stayed between 22 and 28 from 2006 to 2018.