Group by week

SELECT MIN(DATEADD(week, DATEDIFF(week,0,CreatedDate), 0))
        ,DATEPART(week, CreatedDate)
        ,YEAR(CreatedDate)
        , COUNT(id)
FROM [TableName]
GROUP BY DATEPART(week, CreatedDate), YEAR(CreatedDate)
ORDER BY YEAR(CreatedDate), DATEPART(week, CreatedDate)