+---------------------+----------------+--------------+
| DATUM               | MATRIKELNUMMER | DURCHSCHNITT |
+---------------------+----------------+--------------+
| 2009-07-06 09:48:45 |       25202485 |  143825.0000 | 
| 2009-07-06 09:48:45 |       26203218 |         NULL | 
| 2009-07-01 04:08:29 |       27203453 |  158257.0000 | 
| 2009-07-02 04:08:29 |       27203453 |  158257.0000 | 
| 2009-07-02 15:31:29 |       27203453 |  156751.0000 | 
| 2009-07-03 04:08:43 |       27203453 |  156751.0000 | 
| 2009-07-03 16:36:15 |       27203453 |  156751.0000 | 
| 2009-07-04 04:09:04 |       27203453 |  156751.0000 | 
| 2009-07-06 09:48:45 |       27203453 |  156751.0000 | 
| 2009-07-02 15:31:29 |       28203122 |  146751.0000 | 
| 2009-07-03 04:08:43 |       28203122 |  149554.0000 | 
| 2009-07-03 16:36:15 |       28203122 |  148168.0000 | 
| 2009-07-04 04:09:04 |       28203122 |  147521.0000 | 
| 2009-07-06 09:48:45 |       28203122 |  148823.0000 | 
| 2009-07-06 09:48:45 |       28205227 |  143825.0000 | 
| 2009-06-10 13:04:06 |       28207364 |  136010.0000 | 
| 2009-06-12 13:04:06 |       28207364 |  137012.0000 | 
| 2009-06-13 13:04:06 |       28207364 |  137012.0000 | 
| 2009-06-14 13:04:08 |       28207364 |  137012.0000 | 
| 2009-06-15 13:04:08 |       28207364 |  137012.0000 | 
| 2009-06-16 13:04:08 |       28207364 |  137012.0000 | 
| 2009-06-17 04:08:18 |       28207364 |  137012.0000 | 
| 2009-06-18 13:06:30 |       28207364 |  137012.0000 | 
| 2009-06-19 04:08:17 |       28207364 |  152540.0000 | 
| 2009-06-20 04:08:16 |       28207364 |  152011.0000 | 
| 2009-06-21 04:08:16 |       28207364 |  141899.0000 | 
| 2009-06-22 04:08:17 |       28207364 |  141899.0000 | 
| 2009-06-23 04:08:20 |       28207364 |  151226.0000 | 
| 2009-06-24 04:08:20 |       28207364 |  151226.0000 | 
| 2009-06-25 04:08:19 |       28207364 |  156751.0000 | 
| 2009-06-26 04:08:25 |       28207364 |  140678.0000 | 
| 2009-06-27 04:08:19 |       28207364 |  140678.0000 | 
| 2009-06-28 04:08:19 |       28207364 |  140678.0000 | 
| 2009-06-29 04:08:19 |       28207364 |  140678.0000 | 
| 2009-06-30 04:08:29 |       28207364 |  140678.0000 | 
| 2009-07-01 04:08:29 |       28207364 |  140678.0000 | 
| 2009-07-02 04:08:29 |       28207364 |  140678.0000 | 
| 2009-07-02 15:31:29 |       28207364 |  140113.0000 | 
| 2009-07-03 04:08:43 |       28207364 |  140113.0000 | 
| 2009-07-03 16:36:15 |       28207364 |  145343.0000 | 
| 2009-07-04 04:09:04 |       28207364 |  145343.0000 | 
| 2009-07-06 09:48:45 |       28207364 |  137628.0000 | 
| 2009-07-03 16:36:15 |       28208965 |  143825.0000 | 
| 2009-07-04 04:09:04 |       28208965 |  143825.0000 | 
| 2009-07-06 09:48:45 |       28208965 |  143825.0000 | 
| 2009-06-30 04:08:29 |       28209582 |  143825.0000 | 
| 2009-07-01 04:08:29 |       28209582 |  143825.0000 | 
| 2009-07-02 04:08:29 |       28209582 |  143825.0000 | 
| 2009-07-02 15:31:29 |       28209582 |  143825.0000 | 
| 2009-07-03 04:08:43 |       28209582 |  143825.0000 | 
| 2009-07-03 16:36:15 |       28209582 |  143825.0000 | 
| 2009-07-04 04:09:04 |       28209582 |  143825.0000 | 
| 2009-07-06 09:48:45 |       28209582 |  143825.0000 | 
| 2009-07-02 15:31:29 |       28212663 |  143825.0000 | 
| 2009-07-03 04:08:43 |       28212663 |  143825.0000 | 
| 2009-07-03 16:36:15 |       28212663 |  143825.0000 | 
| 2009-07-04 04:09:04 |       28212663 |  143825.0000 | 
| 2009-07-06 09:48:45 |       28212663 |  143825.0000 | 
| 2009-06-17 04:08:18 |       28228424 |  142092.0000 | 
| 2009-06-18 13:06:30 |       28228424 |  142092.0000 | 
| 2009-06-19 04:08:17 |       28228424 |  142092.0000 | 
| 2009-06-20 04:08:16 |       28228424 |  142092.0000 | 
| 2009-06-21 04:08:16 |       28228424 |  142092.0000 | 
| 2009-06-22 04:08:17 |       28228424 |  142092.0000 | 
| 2009-06-23 04:08:20 |       28228424 |  142092.0000 | 
| 2009-06-24 04:08:20 |       28228424 |  142092.0000 | 
| 2009-06-25 04:08:19 |       28228424 |  142092.0000 | 
| 2009-06-26 04:08:25 |       28228424 |  142092.0000 | 
| 2009-06-27 04:08:19 |       28228424 |  142092.0000 | 
| 2009-06-28 04:08:19 |       28228424 |  142092.0000 | 
| 2009-06-29 04:08:19 |       28228424 |  142092.0000 | 
| 2009-06-30 04:08:29 |       28228424 |  142092.0000 | 
| 2009-07-01 04:08:29 |       28228424 |  142092.0000 | 
| 2009-07-02 04:08:29 |       28228424 |  142092.0000 | 
| 2009-07-02 15:31:29 |       28228424 |  142092.0000 | 
| 2009-07-03 04:08:43 |       28228424 |  142092.0000 | 
| 2009-07-03 16:36:15 |       28228424 |  136771.0000 | 
| 2009-07-04 04:09:04 |       28228424 |  136771.0000 | 
| 2009-07-06 09:48:45 |       28228424 |  135666.0000 | 
| 2009-07-03 16:36:15 |       28241207 |  115161.0000 | 
| 2009-07-04 04:09:04 |       28241207 |  115161.0000 | 
| 2009-07-06 09:48:45 |       28241207 |  115161.0000 | 
| 2009-07-06 09:48:45 |       28242196 |  143825.0000 | 
+---------------------+----------------+--------------+