1980-01-01 1983-01-07 1982-01-01 1980-10-29 1979-07-18 1981-10-23 1983-09-08 1980-01-01 1986-01-16 1981-03-14 1981-09-09 1982-12-01 1983-03-31 1979-03-22 1980-03-26 1985-04-01 1984-12-23 2003-10-01 2003-01-01 1998-01-01 2006-05-08 1992-01-01 2013-04-17 1981-06-01 1988-07-07 1980-04-17 1981-01-01 1980-02-01 1980-02-14 1980-06-26 1982-09-03 1981-09-25 1980-12-21 1982-01-01 1983-09-08