2011-01-13 | 2010-12-31 | 2010-09-30 | 2010-06-30 | 2010-03-31 | 2009-12-31 | 2009-09-30 | 2009-06-30 | 2009-03-31 | 2008-12-31 | 2008-09-30 | 2008-06-30 | 2008-03-31 | 2007-12-31 | |
6600 | 4900 | 4900 | 4900 | 4900 | 4900 | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | 4000 | |
1360 | - | - | - | - | - | - | - | - | - | - | - | - | - | |
5240 | - | - | - | - | - | - | - | - | - | - | - | - | - |