The administration then plans to increase the force to 3,000 in three years.
The number of groups has increased in three years to more than 60 from about 40, she said.
Those rates have not increased in more than 15 years.
It is expected that population will increase in coming years.
The use of Section 1782 has increased in recent years.
If this rate continues, the population will increase to 9,158,000 in about 46 years.
Numbers have been increasing by about 10% per year in recent years.
The number of Chinese students has increased in recent years.
This is planned to increase to 20 staff and £20m in about five years.
The number of treatment options has increased in recent years.