| Year | February | May | August | November |
| 2008 | Vol 70, Series A, No 1 | Vol 70, Series B, No 1 | Vol 70, Series A, No 2 | Vol 70, Series B, No 2 |
| 2009 | Vol 71, Series A, No 1 | Vol 71, Series B, No 1 | Vol 71, Series A, No 2 | Vol 71, Series B, No 2 |
| 2010 | Vol 72, Series A, No 1 | Vol 72, Series B, No 1 | Vol 72, Series A, No 2 | Vol 72, Series B, No 2 |
| 2011 | Vol 73, Series A, No 1 | Vol 73, Series B, No 1 | Vol 73, Series A, No 2 | Vol 73, Series B, No 2 |