What is this telling me

Is  this query telling me how many users entries were made in my aspnet_Profile table on the particular dates? If so How do I request the total entries for a particular date/month/year.

SELECT Dateadd(day, Datediff(day, 0, LastUpdatedDate), 0) as CreatedOn, Count('UserId') as [Count]
FROM aspnet_Profile
GROUP BY Dateadd(day, Datediff(day, 0, LastUpdatedDate), 0)
ORDER BY 1

2011-02-15 00:00:00.000	145
2011-02-16 00:00:00.000	1196
2011-02-17 00:00:00.000	8046
2011-02-18 00:00:00.000	162
2011-02-19 00:00:00.000	145
2011-02-20 00:00:00.000	4648
2011-02-21 00:00:00.000	4546

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