| Digest Vol. 18, No. 01 | Jan 27 | 2011 |
| Digest Vol. 18, No. 02 | Feb 27 | 2011 |
| Digest Vol. 18, No. 03 | Mar 31 | 2011 |
| Digest Vol. 18, No. 04 | May 03 | 2011 |
| Digest Vol. 18, No. 05 | Jun 01 | 2011 |
| Digest Vol. 18, No. 06 | Jul 30 | 2011 |
| Digest Vol. 18, No. 07 | Sep 12 | 2011 |
| Digest Vol. 18, No. 08 | Oct 02 | 2011 |
| Digest Vol. 18, No. 09 | Oct 31 | 2011 |
| Digest Vol. 18, No. 10 | Dec 01 | 2011 |