SELECT CONVERT(varchar(7), GETDATE(), 20) AS yearMonth UNION
SELECT CONVERT(varchar(7),DATEADD(m, - 1, GETDATE()), 20) AS time UNION
SELECT CONVERT(varchar(7),DATEADD(m, - 2, GETDATE()), 20) AS time UNION
SELECT CONVERT(varchar(7),DATEADD(m, - 3, GETDATE()), 20) AS time UNION
SELECT CONVERT(varchar(7),DATEADD(m, - 4, GETDATE()), 20) AS time UNION
SELECT CONVERT(varchar(7),DATEADD(m, - 5, GETDATE()), 20) AS time