In the 1960s the town had a stable population of approximately 400 individuals.
This is because it has a large range and a population of more than 10,000 individuals.
Only a single population of less than 100 mature individuals remains in the wild.
There are eight populations remaining, for a total global population of only 39 individuals.
It is a common species with a population of at least 4 million individuals.
It is estimated to have a total population of 10 to 27 million individuals.
There are 18 to 20 occurrences, with a total global population of 1500 to 2500 individuals.
According to the latest 2010 census, it has a population of 21,818 individuals.
In recent years the town has had a population of just under four thousand individuals.
They are among the most endangered seals in the world, having a total population of only about 310 individuals.
