Original sentence: (January 2004).Annual tickets available only on Oyster (2004).Cards issued to Transport for London, London Underground, and bus operator staff (2002).Cards issued to the public for annual and monthly tickets (2003).Daily PAYG price capping (February 2005).Freedom Passes issued on Oyster (2004).Monthly tickets available only on Oyster, unless purchased from a station operated by a train company rather than TfL (2004).Off-peak PAYG fares launched (January 2004).PAYG on buses (May 2004)
Edited sentence: (January 2006).Annual tickets available only on Oyster (2006).Cards issued to Transport for London, London Underground, and bus operator staff (2006).Cards issued to the public for annual and monthly tickets (2006).Daily PAYG price capping (February 2006).Freedom Passes issued on Oyster (2006).Monthly tickets available only on Oyster, unless purchased from a station operated by a train company rather than TfL (2006).Off-peak PAYG fares launched (January 2006).PAYG on buses (May 2006)