Jan Roelof de Boer,Wanneperveen

07/09/1977 20/09/1977 02/06/1978 03/06/1978 01/07/1978 19/09/1978 23/06/1979 30/06/1979 05/09/1979 27/10/1979 09/05/1980 19/06/1980 03/09/1980 02/05/1981 04/09/1981 11/09/1981 08/06/1982 09/07/1982 07/09/1982 20/07/1983 26/05/1984 06/06/1987 07/07/1991