12/1995 - 04/2001

08/1999 -

10/1994 - 09/1999

05/1994 - 08/1999

09/1996 - 12/2001

03/1986 - 09/1994

03/1986 - 09/1994

01/1995 - 03/2001

09/1983 - 09/1990