Original sentence: -  100 as of 1985, 600 as of 1990, 550 as of 1995 and 2000, 400 as of 2002 and 560 as of 2005
Edited sentence: -  100 ordered in 1965 from the Soviet Union and delivered between 1966 and 1967.100 in service as of 1985, 600 as of 1990, 550 as of 1995, 300 as of 1996, 550 as of 2000, 400 as of 2002 and 560 as of 2005