I see some workunits with quorums that are huge! Why?

-------------------
Workunit Name Status Sent Time Time Due /
Return Time CPU Time (hours) Claimed/ Granted BOINC Credit
la423_ 00011-- Valid 03/06/2007 09:53:42 03/06/2007 21:27:12 5.86 46.5 / 69.9
la423_ 00011-- Valid 03/06/2007 09:52:05 03/06/2007 23:05:26 12.75 68.1 / 69.9
la423_ 00011-- Error 03/06/2007 09:27:18 03/08/2007 16:32:45 0.85 17.3 / 0.0
la423_ 00011-- Valid 03/06/2007 09:25:37 03/06/2007 17:18:13 3.41 54.6 / 69.9
la423_ 00011-- Valid 03/06/2007 09:24:13 03/07/2007 06:07:37 12.32 64.7 / 69.9
la423_ 00011-- Valid 03/06/2007 09:24:11 03/07/2007 11:58:58 14.44 74.3 / 69.9
la423_ 00011-- Valid 03/06/2007 09:22:51 03/07/2007 16:19:50 10.22 61.3 / 69.9
la423_ 00011-- Valid 03/06/2007 09:22:19 03/06/2007 17:50:42 5.96 67.3 / 69.9
la423_ 00011-- In Progress 03/06/2007 09:19:00 03/15/2007 09:19:00 0.00 0.0 / 0.0
la423_ 00011-- Valid 03/06/2007 09:18:40 03/07/2007 03:16:28 11.69 77.1 / 69.9
la423_ 00011-- In Progress 03/06/2007 09:17:51 03/15/2007 09:17:51 0.00 0.0 / 0.0
la423_ 00011-- Valid 03/06/2007 09:17:06 03/07/2007 12:09:47 7.58 84.2 / 69.9
la423_ 00011-- Valid 03/06/2007 09:15:08 03/06/2007 23:40:09 6.16 51.6 / 69.9
la423_ 00011-- Valid 03/06/2007 09:09:53 03/06/2007 20:00:23 5.72 72.8 / 69.9
la423_ 00011-- Valid 03/06/2007 09:08:52 03/07/2007 18:42:59 22.48 70.4 / 69.9
la423_ 00011-- Valid 03/06/2007 09:04:33 03/06/2007 18:25:14 4.45 56.9 / 69.9
la423_ 00011-- Valid 03/06/2007 09:03:25 03/07/2007 07:39:46 10.67 72.3 / 69.9
la423_ 00011-- Valid 03/06/2007 09:03:22 03/07/2007 15:42:58 12.95 76.0 / 69.9
-----------------

Thanks for any explanation anyone can provide.

~ qt