Collectively how many Governor Generals ruled over Pakistan?

Collectively how many Governor Generals ruled over Pakistan?

پاکستان پر مجموعی طور پر کتنے گورنر جنرلز نے حکومت کی؟
Explanation
Governor-General of Pakistan

#

Name

Date of Birth and Death

1

Muhammad Ali Jinnah

25 December 1876 – 11 September 1948

2

Sir Khawaja Nazimuddin

19 July 1894 - 22 October 1964

3

Ghulam Mohammad

20 April 1895 - 12 September 1956

4

Iskander Mirza

13 November 1899 - 12 November 1969