 
 <translate> Context: Capita was formed 1984 as a division of the non-profit CIPFA (Chartered Institute of Public Finance and Accountancy). In 1987 it became an independent company with 33 staff as a result of a management buy-out, led by Rod Aldridge, and was first listed on the London Stock Exchange in 1991.

Question: when was capita fully listed as a public company on the london stock exchange?
Steam of consciousness below:
 <hau> Bayanin: An kafa Capita a 1984 a matsayin wani bangare na kungiyar ba da riba ba CIPFA (Chartered Institute of Public Finance and Accountancy). A cikin 1987 ya zama kamfani mai zaman kansa tare da ma'aikata 33 sakamakon sayan gudanarwa, wanda Rod Aldridge ya jagoranta, kuma an fara jera shi a Kasuwancin Landan a 1991.  Tambaya: Yaushe ne aka sanya CAPITA a matsayin kamfani na jama'a a kan kasuwar hannayen jari ta London? Ruwa na sani a kasa: 