Quarterly Sales Estimates for GCI
| 03-2007 | 1888.9 | 1845.2 | 1871.733 | 0 | 3/16/2007 |
| 06-2007 | 2026.8 | 1918 | 1954.6 | 38.525 | 7/5/2007 |
| 09-2007 | 1921.7 | 1796 | 1824.657 | 43.791 | 10/5/2007 |
| 12-2007 | 2064 | 1916.6 | 1971.628 | 47.155 | 1/24/2008 |
| 03-2008 | 1783 | 1687.5 | 1712 | 32.759 | 4/11/2008 |
| 06-2008 | 1763.8 | 1722.7 | 1741.04 | 16.673 | 7/15/2008 |
| 09-2008 | 1653.1 | 1592.9 | 1617.72 | 25.633 | 10/15/2008 |
| 12-2008 | 1817.6 | 1755.8 | 1785.6 | 25.291 | 1/21/2009 |
| 03-2009 | 1519 | 1411.4 | 1474.8 | 45.346 | 3/20/2009 |
| 06-2009 | 1587 | 1402.1 | 1468.5 | 81.472 | 7/9/2009 |
| 09-2009 | 1359.9 | 1317 | 1331.6 | 24.512 | 9/30/2009 |
| 12-2009 | 1471 | 1433 | 1453.25 | 16.026 | 12/28/2009 |
| 03-2010 | 1342 | 1264.4 | 1312.975 | 33.705 | 4/14/2010 |
| 06-2010 | 1415.1 | 1364 | 1396.533 | 28.268 | 7/13/2010 |
| 09-2010 | 1328 | 1312.8 | 1322.075 | 6.876 | 10/13/2010 |
| 12-2010 | 1482 | 1465.5 | 1472.9 | 6.951 | 1/28/2011 |
| 03-2011 | 1254 | 1236 | 1247.38 | 6.942 | 4/13/2011 |