SET ANSI_NULLS OFF
GO
SET QUOTED_IDENTIFIER OFF
GO

CREATE FUNCTION Jaar  (@FLTDATE float)
RETURNS int
AS
BEGIN
  DECLARE @DATE datetime
  DECLARE @Jaar int
   SET @DATE = DATEADD(s,@FLTDATE,'1980')
   SET @Jaar= DATEPART(yyyy,@DATE)
   RETURN(@Jaar)
END

GO