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

of

seals

,

whales

and dolphins in the Gormex Straits between 2006 and 2018.

Overall

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

at the end

of the period

while

the

number

of

seals

and

whales

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

three

Correct article usage

the three

show examples

types of sea animals.

However

,

this

number

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

On the other hand

, the

number

of

seals

and

whales

fluctuated in a twelve-year period.

Seals

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

then

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

Besides

, the total of

whales

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