As of January 27, 2016, how many foreign terrorist organizations were recognized by the US State Department?

The US Department of State has listed five foreign terrorist organizations.
Islamic State of Iraq and the Levant
The Islamic State of Iraq and the Levant (ISIL) is active in Libya. It was created from the remnants of the rebel units that fought against Colonel Muammar Gaddafi in the Libyan Civil War. Soon after its formation, ISIL established a presence in Tripoli, Sirte, and Derna. It has waged war against the state's authority by targeting judges, civilians, and enforcing its diktat wherever it can. The organization has attracted fighters from African countries such as Sudan and Chad. It was banned on May 19, 2016.
Al Qaeda on the Indian Subcontinent
Al Qaeda's jihadist faction that aims to strengthen the organization's base on the Indian subcontinent was banned by the US Department of State on June 30, 2016. The organization's presence was announced by terrorist Ayman al-Zawahiri in 2014. The organization functions mainly from Pakistan, Bangladesh, and Afghanistan. Its objective is to further an extremist Islamist agenda in India.
Hizbul Mujahideen
Hizbul Mujahideen was formed in Kashmir in 1989 and pursues the ideology of jihad in the region. The US Department of State banned this organization on August 16, 2017. Apart from the United States, the European Union and India have designated it as a terrorist organization.
Milli Muslim League
The Milli Muslim League is the political front of the terrorist organization Lashkar-e-Taiba. It was banned by the US Department of State on April 2, 2018. The stated objective of the organization is to make Pakistan a true Islamic state.
Islamic Revolutionary Guard Corps
The Islamic Revolutionary Guard Corps (IRGC) was formed after the Iranian Revolution of 1979. As a part of the country's armed forces, it is tasked with protecting Islamic values within the country and ensuring that military coups do not take place. It keeps an eye on foreign involvement in the nation's affairs. It was banned by the US Department of State on April 15, 2019.