CFF 51 up to the present.

 CFF 51 — February 2000

 CFF 52 — June 2000

 CFF 53 — October 2000

 CFF 54 — February 2001

 CFF 55 — June 2001

 CFF 56 — October 2001

 CFF 57 — March 2002

 CFF 58 — July 2002

 CFF 59 — November 2002

 CFF 60 — March 2003

 CFF 61 — July 2003

 CFF 62 — November 2003

 CFF 63 — March 2004

 CFF 64 — July 2004

 CFF 65 — November 2004

 CFF 66 — March 2005

 CFF 67 — July 2005

 CFF 68 — November 2005

 CFF 69 — March 2006