SSRS Reports data Analysis

SELECT TOP 1000 [name], 
                [instancename], 
                [reportid], 
                [username], 
                [requesttype], 
                [format], 
                [parameters], 
                [timestart], 
                [timeend], 
                [timedataretrieval], 
                [timeprocessing], 
                [timerendering], 
                [source], 
                [status], 
                [bytecount], 
                [rowcount] 
FROM   [ReportServer].[dbo].[executionlog] 
       INNER JOIN [ReportServer].[dbo].[catalog] 
               ON [reportid] = [itemid] 
ORDER  BY timestart DESC 

--// Unique List  
SELECT DISTINCT [name] 
FROM   [ReportServer].[dbo].[executionlog] 
       INNER JOIN [ReportServer].[dbo].[catalog] 
               ON [reportid] = [itemid] 
ORDER  BY [name] DESC 

--// Main Reports  
SELECT DISTINCT [name], 
                [instancename], 
                [AccessAmount] = Count(NAME) 
                                   OVER( 
                                     partition BY NAME) 
FROM   [ReportServer].[dbo].[executionlog] 
       INNER JOIN [ReportServer].[dbo].[catalog] 
               ON [reportid] = [itemid] 
ORDER  BY [accessamount] DESC 

--// Main Users by reports 
SELECT DISTINCT [name], 
                [instancename], 
                [username], 
                [AccessAmount] = Count(NAME) 
                                   OVER( 
                                     partition BY NAME, [username]) 
FROM   [ReportServer].[dbo].[executionlog] 
       INNER JOIN [ReportServer].[dbo].[catalog] 
               ON [reportid] = [itemid] 
ORDER  BY 1, 
          [accessamount] DESC 

--// Main Users  
SELECT DISTINCT [username], 
                [AccessAmount] = Count(NAME) 
                                   OVER( 
                                     partition BY [username]) 
FROM   [ReportServer].[dbo].[executionlog] 
       INNER JOIN [ReportServer].[dbo].[catalog] 
               ON [reportid] = [itemid] 
ORDER  BY [accessamount] DESC